A Selection of Subject Areas

The following patent claims are examples taken from Canadian and US patents that we have obtained for our clients, showing the diversity of our technical knowledge.

AI Training Data Generation

US11080441
A system for automatically generating supervised training data for a control system for an interior environment, comprising:
  non-transitory computer-readable comprising computer-readable instructions defining:
   a simulation module, which, when processor-executed, performs simulation calculations using a three-dimensional parametric computer-aided design (CAD) model of a virtual interior environment to determine spatial and temporal distributions of environmental conditions within the virtual interior environment;
   a sensors module, which, when processor-executed, simulates virtual sensors at specified positions within the virtual interior environment and calculates predicted environmental conditions at the specified positions; and
   a controls module, which, when processor-executed, generates output control signals for representations of virtual environmental control hardware within the virtual interior environment; and
  a trainable artificial intelligence (AI) based controller that is trained by the predicted environmental conditions and the output control signals.

Audio Control of Light

US10319395
A method for controlling one or more light sources, comprising:
  receiving, in a buffer, a streaming audio signal;
  receiving, from the buffer, a buffer contents signal representing at least a portion of the streaming audio signal in the buffer;
  analyzing the buffer contents signal;
  generating a lighting control signal based on said analysis;
  outputting a real-time audio signal from the buffer; and
  outputting the lighting control signal in synchronization with the real-time audio signal;
wherein:
  the real-time audio signal comprises an impulsive sound feature having a first duration; and
  said generating comprises generating a corresponding feature in the lighting control signal having a second duration that is longer than the first duration, thereby adapting a part of the lighting control signal corresponding to the impulsive sound feature to a human's visual response time.

Battery Busbar Holder

CA3127168
A busbar holder comprising:
  a bottom tray defining a first plurality of holes and a second plurality of holes;
  a first busbar on the bottom tray, the first busbar having legs that each pass through a different one of the first plurality of holes for connection to a first polarity terminal of a different one of a plurality of cells;
  a top tray defining a third plurality of holes, the top tray mounted above the bottom tray so that the third plurality of holes align with the second plurality of holes; and
  a second busbar on the top tray, the second busbar having legs that each pass through a different one of the third plurality of holes and a different one of the second plurality of holes for connection to a second polarity terminal of a different one of the plurality of cells.

Battery Pack

CA3162556
A cell holder for one or more cells comprising:
  a frame that hosts one or more cells such that a portion of each cell projects beyond a top of the frame;
  an intermediate tray on top of the frame and having one or more recesses each of which accommodate one of the projecting portions of the one or more cells; and
  a top tray on top of the intermediate tray and fastened to the frame through the intermediate tray, thereby holding the intermediate tray in place.

Battery Tester

US10302709
A device for determining state of health (SoH) of a battery, comprising:
  a connection to a battery to be tested;
  a user interface configured to receive a nominal or maximum cut-off voltage of the battery and a capacity of the battery;
  a voltage sensor to detect an initial OCV (open circuit voltage) V1 of the battery;
  a load configured to draw a pulse of current from the battery, said pulse having an amplitude that is normalized to the capacity; and
  a processor configured to:
   obtain a voltage response of the battery to the pulse;
   select, from a plurality of OCV regions, an OCV region that V1 lies in, wherein each OCV region has an associated, different set of thresholds, and each OCV region corresponds to a different initial state of charge range for the battery;
   adjust the voltage response using the nominal or maximum cut-off voltage and using the selected OCV region;
   compare said adjusted response to at least one of the thresholds associated with the selected OCV region; and
   determine, using said comparison, whether the SoH is above or below a predefined cut-off value.

Bicycle Stem

US10442492
An articulating bicycle stem for a bicycle comprising:
  a stem body having a first end including a steering tube connector and a second end including a rotatable member receiving region, the steering tube connector being securely couplable to a steering tube of a bicycle fork assembly; and
  a rotatable inner member receivable in a complementary-shaped cylindrical outer casing of said rotatable member receiving region;
  said rotatable inner member having a handlebar-receiving region located near a distal region thereof for securely coupling handlebars to said rotatable inner member;
  said rotatable inner member being selectively re-positionable within said outer casing such that said handlebars can be rotated in a horizontal plane between at least a reversibly securable riding position and a reversibly securable storage position without first vertically separating contact of said rotatable inner member from said cylindrical outer casing to effect said rotation.

Bio-Mechanical Power Management

CA2999626
A system for managing power supplied to a load from a bio-mechanical energy harvester, comprising:
  an energy harvester configured to attach to two living body segments connected by a joint and to generate electrical energy as a result of relative movement between said segments;
  an interim electrical storage module that has a voltage limit and stores said energy; and
  a control module that:
   reads a voltage of said storage module;
   determines a current to supply from said storage module to the load based on said voltage; and
   controls supply of the determined current to the load from said storage module, thereby maintaining the voltage of said storage module below the voltage limit.

Cannabinoid Crystallization

US10843102
A method for crystallizing a compound from a resin extracted from cannabis plants, wherein the compound is tetrahydrocannabinolic acid, cannabidiolic acid or cannabidiol, the method comprising:
  mixing butane with the resin to form a solution;
  evaporating butane from the solution to supersaturate the solution; then,
  mixing propane with the solution, wherein the compound has a lower solubility in the propane than in the butane; and
  removing the propane from the solution to cause a temperature of the solution to drop and the compound to form crystals.

Cannabis Trichome Separation

CA3097001
A process for separating trichomes from raw cannabis plant material comprising:
  grinding the raw cannabis plant material using a mesh size between 1cm and 2.5cm to result in ground raw cannabis plant material;
  adding water at a temperature at or above 0˚C and below 10˚C to the ground raw cannabis plant material to form a mixture;
  agitating the mixture to separate trichomes from the ground raw cannabis plant material;
  straining the mixture using a coarse mesh with a pore size of 200-1000μm to separate the mixture into (a) a trichome filtrate, which comprises trichome-rich cannabis plant matter, and (b) unwanted cannabis plant matter;
  filtering the trichome filtrate to retain a residue of the trichome-rich cannabis plant matter; and
  drying the trichome-rich cannabis plant matter to form a powder.

Chroma Keying

US10217245
A method for chroma keying comprising the steps of:
  receiving, by a processor, a selection of a pixel of a screen;
  determining, by the processor, three values which define color (“coordinates”) for a portion of an image displayed by the pixel;
  defining, by the processor, a window for each of the three values, each window extending in both directions from its corresponding value by a corresponding range vector;
  defining, by the processor, a chroma key that includes all coordinates that lie within all three windows;
  identifying, by the processor, all pixels in the image that display colors within the chroma key;
  receiving, by the processor, a selection of an unidentified pixel;
  calculating, by the processor, a further three values which define color for the unidentified pixel;
  expanding, by the processor, at least one of the windows so that the windows collectively include the further three values;
  redefining, by the processor, the chroma key to include all coordinates that lie within all three windows after the step of expanding; and
  identifying, by the processor, all unidentified pixels in the image that display colors within the redefined chroma key.

Chromophore Excitation

US11931470
A method for exciting two different chromophores in a microorganism, the method comprising:
  illuminating the microorganism with first light having a first pulse frequency and a first wavelength between 380 nm and 750 nm; while
  illuminating the microorganism with second light having a second pulse frequency and a second wavelength between 380 nm and 750 nm;
  wherein the second wavelength is different to the first wavelength;
  wherein the first and second pulse frequencies are different;
  wherein the first and second pulse frequencies are integral multiples of a fundamental frequency; and
  wherein a pulse train of the first light has a zero, positive or negative phase difference with respect to a corresponding pulse train of the second light.

Concrete Mixture

US10870603
A concrete mixture comprising, by weight:
  10-11% water;
  37-41% coarse aggregate;
  29-36% fine aggregate;
  superplasticizer up to 0.08%;
  hemp straw ash up to 5%; and
  14-19% cement.

Convertible Stroller

US11679795
A convertible carriage comprising:
  a body;
  two rear wheels supporting the body;
  a drawbar connected to the body, the drawbar being foldable;
  a connector attached to an end of the drawbar distal from the body; and
  an auxiliary wheel mounted on the drawbar;
wherein the drawbar folds between the body and the auxiliary wheel and, when the drawbar is folded by moving the end of the drawbar distal from the body downwards and towards the body, and attaching the connector to the body, the auxiliary wheel supports the convertible carriage.

Crank-to-Shaft Fitting

CA3058788
A shaft-expanding cone lock comprising:
  a cone piece having a first frustoconical surface; and
  a shaft having:
   an end face defining an opening of a hole in the shaft;
   a wall around said hole;
   a second frustoconical surface that defines an inner surface of the wall, the second frustoconical surface configured to engage with the first frustoconical surface; and
   a first thread located inwardly from the second frustoconical surface and configured to enable tightening of the cone piece into the hole;
wherein:
  the wall expands when the cone piece is tightened into the hole;
  a further hole passes axially through the cone piece; and
  the shaft defines an additional threaded axial hole having a diameter less than a diameter of said further hole and accessible through said further hole.

Dawn and Dusk Luminaire

CA3064465
An illumination system comprising:
  a luminaire having an adjustable spectral power distribution (SPD) and an adjustable photon flux output; and
  a controller that provides electrical power and control signals to the luminaire;
  wherein the control signals automatically transition the SPD gradually between a first SPD and a second SPD twice per day, while adjusting the photon flux output from a first photon flux output to a second photon flux output;
  wherein the transitions and adjustments to the photon flux output correspond to changes in light that entrain a biological rhythm in a life form.

Drivetrain for Motorized Cycle

US9469373
A drivetrain system for a human-powered vehicle comprising:
  a crank configured to be rotated by a human;
  a shaft driven by the crank;
  a drive wheel configured to be driven by the shaft;
  a first motor configured to power the shaft;
  a first freewheel mechanism connected between the crank and the shaft such that the first motor powers the shaft to drive the drive wheel forwards without back-driving the crank;
  a second freewheel mechanism connected between the shaft and the drive wheel such that the drive wheel moves forwards without back-driving the first motor or the crank;
  a second motor configured to power the drive wheel or a further drive wheel;
  a transmission connected between one of:
   the first motor and the second freewheel mechanism;
   the second freewheel mechanism and the drive wheel; and
   the first freewheel mechanism and the first motor; and
  a controller connected to:
   a sensor configured to sense pedal cadence;
   a sensor configured to sense pedal torque;
   a sensor configured to sense speed of the first motor;
   a sensor configured to sense speed of the second motor;
   a sensor configured to sense current drawn by the first motor;
   a sensor configured to sense current drawn by the second motor;
   a sensor configured to sense input shaft speed of the transmission;
   a sensor configured to sense output shaft speed of the transmission;
   the first and second motors; and
   the transmission;
wherein the controller is configured to optimize a combined efficiency of the first and second motors when both first and second motors are powering the vehicle.

Drone for Mixed Reality Filming

US10904427
A method for videoing a subject comprising the steps of:
  programming a drone with a trajectory parameter, the drone carrying a camera;
  coordinating the drone with the subject;
  determining a flight path for the drone that is defined by the trajectory parameter;
  adjusting the flight path of the drone to:
    avoid a collision with a further drone carrying a further camera, the further drone being coordinated with the subject; and
    prevent a virtual object, which is in a virtual scene into which an image of the subject is composited, from blocking a virtual view of the composited image from the camera as if the camera were in the virtual scene at a location corresponding to its relative location from the subject; and
  filming the subject with the camera while the drone is flying on the adjusted flight path.

Electric Motorcycle Structure

CA3159330
A core for an electric motorcycle comprising:
  a monocoque having a C-shape that defines a mouth open to a rear of the monocoque, the monocoque dimensioned to enclose a battery pack;
  a power electronics unit attached to a front side of the monocoque;
  a housing for a motor and gear, the housing connected to the monocoque inside the mouth, the monocoque extending around a top, front and bottom of the housing; and
  fixation points defined in the core for removably attaching one or more suspension mounts.

Fingernail Lights

US 10856640
A fake nail tip for a human fingernail or toenail, comprising:
  a light source mounted in the fake nail tip;
  a power source mounted in the fake nail tip and connected to the light source;
  an upper shell and a lower shell between which the light source and the power source are located, wherein the upper shell and the lower shell are connected in their proximal regions to form a hinge; and
  a diffuser around the light source.

Focal Distance Controller

CA3098717
A remote control system for a camera with a lens that has a focusing mechanism, the remote control system comprising:
  a distance indicator configured to indicate a focal distance of the lens, wherein the distance indicator is rotatable and motorized; and
  a manual controller, which is rotatable and non-motorized, and which in a first mode controls the distance indicator and the focusing mechanism, in a second mode is operably decoupled from the distance indicator and the focusing mechanism to allow an autofocus controller to control the distance indicator and the focusing mechanism without changing a position of the manual controller, and when returning from the second mode to the first mode, starts controlling the distance indicator and the focusing mechanism from the focal distance shown by the distance indicator.

Game Controller for Smartphone

CA3176969
A game controller for holding a video game device, the game controller comprising:
  a housing having a front side and a back side;
  an interface element on the front side;
  a pivot pin perpendicular to the back side; and
  a retractable support arm adapted to secure the video game device to the housing, wherein the retractable support arm includes a retractable extension rod and is pivotably secured to the back side by the pivot pin, such that the retractable support arm is manually rotatable between a stowed position and an in-use position.

Horticultural Lighting

CA3092862
A horticultural lighting system comprising:
  one or more optical components mounted on a substrate;
  at least one optical fiber coupled to each optical component;
  a linear or elliptical holographic diffuser located to diffuse light emanating from said optical components; and
  one or more laser light modules optically coupled to said optical fibers, wherein each laser light module comprises:
   a laser light source that produces a laser beam;
   a diffractive optic beam splitter located to split the laser beam into multiple beams;
   a beam collimator located to collimate the multiple beams;
   a dual-band dichroic mirror located to combine each of the multiple beams with one of further multiple beams provided by a further laser light source, further diffractive optic beam splitter and further beam collimator, to result in multiple combined beams; and
   a fiber optic assembly into which the multiple combined beams are coupled, wherein said optical fibers in part form a portion of the fiber optic assembly.

Human Energy Harvesting Linkage

CA2999606
A four-bar linkage comprising:
  a tibia link having first and second pivots;
  a femur link having third and fourth pivots;
  an ACL (anterior cruciate ligament) link connected to the first pivot and the third pivot; and
  a PCL (posterior cruciate ligament) link crossed over the ACL link and connected to the second and fourth pivots;
  wherein:
  the distance between third and fourth pivots is one unit;
  the distance between first and second pivots is between 1.3 and 1.6 units, to one decimal place;
  the distance between first and third pivots is between 2.0 and 2.8 units, to one decimal place;
  the distance between second and fourth pivots is between 2.4 and 3.3 units, to one decimal place; and
  the sum of the distance between third and fourth pivots and the distance between second and fourth pivots is equal to the sum of the distance between first and third pivots and the distance between first and second pivots, to within a tolerance of 0.2 units.

Human Motion Assistance

CA2999620
A system for intermittently assisting movement of a body segment of a user comprising:
  a motor-generator;
  a mechanical linkage configured to transmit mechanical power from the motor-generator to the body segment;
  a circuit configured to supply current to the motor-generator when the body segment is moving in a positive power mode, said circuit configured to prevent supply of current to the motor-generator when the body segment is moving in a negative power mode; and
  a bridge in the circuit that functions both as:
   a rectifier when current is drawn from the motor-generator; and
   an inverter when current is supplied to the motor-generator.

Keyboard for Smartphone

US11243690
A touchscreen configured to:
  define a keyboard on the touchscreen;
  define a group key within the keyboard, wherein the group key represents multiple functions;
  detect a touch on the touchscreen within the group key;
  define a keypad on the touchscreen, the keypad comprising a dead zone at a point of the touch and keys adjacent to the dead zone, each key corresponding to a different one of the functions;
  detect a swipe of the touch from the dead zone to one of the keys; and
  perform the function corresponding to said one key.

Light Control using Virtual Model

US11002606
A system for controlling spectral lighting in an enclosed environment, the system comprising electric lighting and a lighting controller connected to the electric lighting, the lighting controller configured to:
  determine, using a virtual environment that corresponds to the enclosed environment, a spectral irradiance distribution in the enclosed environment by:
   calculating a direct spectral irradiance for a position and direction due to light sources illuminating the enclosed environment;
   calculating an indirect spectral irradiance for said position and direction due to reflections from one or more surfaces in the enclosed environment, said indirect spectral irradiance calculated as a per-wavelength multiple of the direct spectral irradiance; and
   summing the direct spectral irradiance and the indirect spectral irradiance to result in the spectral irradiance distribution; and
  control, based on the spectral irradiance distribution, a spectral output of the electric lighting to maintain, in the spectral lighting, a spectral composition that meets a predetermined requirement suitable for a life form in the enclosed environment.

Motorcycle Rake Angle Adjuster

US11292548
A fastening assembly for a motorcycle comprising:
  a concave track on a monocoque of the motorcycle, the concave track defining a channel;
  a foot piece in the channel, the foot piece movable along the channel;
  a plate; and
  a fixing device that fastens the plate and the foot piece to the concave track in a fixed position.

Motorcyclist Hazard Warning

US11189166
A system for informing a motorcycle rider about a traffic scenario comprising:
  a processor;
  multiple sensors mounted on the motorcycle and connected to the processor, wherein the sensors comprise a sensor mounted low enough on the motorcycle to look under other vehicles;
  multiple haptic alert devices mounted on the motorcycle and connected to the processor; and
  computer readable memory storing computer readable instructions, which, when executed by the processor cause the processor to:
   detect an environment of the motorcycle by reading data from said sensors to detect an intersection and a vehicle at the intersection;
   analyze the environment to determine the traffic scenario, wherein the vehicle forms part of the traffic scenario;
   determine, using the determined traffic scenario and a detected behaviour of the motorcycle, a probability of an accident involving the motorcycle in the traffic scenario; and
   output an alert via at least one of the haptic alert devices, the alert being indicative of the probability of an accident.

Motorcyclist Monitoring

US10994739
A system for determining a motorcycle rider's intention to turn comprising:
  a plurality of force sensors, of which:
   one or more are mounted in a left handlebar of the motorcycle, and
   one or more are mounted in a right handlebar of the motorcycle;
wherein the plurality of force sensors detect forces exerted on the left and right handlebars of the motorcycle by the rider of the motorcycle; and
  a control unit communicatively connected to the plurality of force sensors and configured to:
   receive signals from the plurality of force sensors;
   make a comparison of the signals with one or more thresholds; and
   determine the intention of the rider to turn, using the comparison and before the handlebars on the motorcycle are turned to make the intended turn.

Pathogen Reduction

CA3177714
A method for reducing pathogens in an interior environment, the method comprising the steps of:
  positioning, by a processor, spherical irradiance meters in a model of the interior environment;
  calculating, by the processor, for each spherical irradiance meter, a total spherical irradiance;
  interpolating, by the processor, the total spherical irradiances to result in a three-dimensional spherical irradiance field;
  calculating, by the processor, using the three-dimensional spherical irradiance field and a fluence response value of a pathogen, a predicted reduction in the pathogen in the interior environment; and
  controlling at least one ultraviolet luminaire in the interior environment to provide the predicted reduction.

Pill Crusher Safety

US10322416
A system for controlling operation of a pill-crushing mechanism, the system comprising:
  a cup holder configured to hold:
   a lower cup with one or more pills therein; and
   an upper cup nestled in the lower cup over said pills;
  a sensor located in relation to the cup holder so that the sensor has:
   a first state that corresponds to an absence of the upper cup from the cup holder; and
   a second state that corresponds to a presence of the upper cup in the cup holder, nestled in the lower cup over said pills; and
  a controller that receives signals from the sensor corresponding to said states, wherein the controller:
   prevents operation of a mechanism for crushing said pills when the sensor is in the first state; and
   enables operation of the mechanism when the sensor is in the second state.

Plant Health Optimization

US11129253
A method for optimizing health of a plant comprising:
  providing the plant;
  exposing the plant to flicker from a glazing unit having:
   an outer pane;
   an inner pane parallel to and spaced apart from the outer pane;
   an array of light-emitting elements (LEEs) mounted on an inner side of the outer pane; and
   electrical conductors adhered to the inner side of the outer pane and connected to the LEEs;
wherein the flicker has a peak radiant flux, an average radiant flux, a duty factor and a pulse frequency;
  providing, by a first current driver, a modulated first frequency signal for controlling the peak radiant flux;
  providing, by a second current driver, a modulated second frequency signal for controlling the average radiant flux, wherein the second frequency is lower than the first frequency and superimposed on the first frequency;
  detecting a health parameter of the plant; and
  adjusting, based on the detected health parameter:
   the peak radiant flux and the duty factor, without adjusting the pulse frequency and the average radiant flux; or
   the pulse frequency, without adjusting the peak radiant flux, the duty factor and the average radiant flux;
wherein said adjustment maintains the health parameter of the plant within predetermined limits.

Psilocybin Extract

CA3103707
A powdered psychoactive alkaloid composition consisting essentially of, by weight:
  0.1-90% of a psychoactive alkaloid extract from plant material, fungal material or both plant material and fungal material, wherein the psychoactive alkaloid extract comprises psychoactive alkaloid in a concentration of 0.1% to 99% by weight of the psychoactive alkaloid extract, the psychoactive alkaloid being any selection from the group consisting of psilocybin, psilocin, baeocystin, norbaeocystin, norpsilocin, aeruginascin, bufotenin, bufotenidine, 5-MeO-DMT (5-methoxy-N, N-d imethyltryptam ine), N,N-d imethyltryptamine (DMT), ergine (LSA), ergonovine, ergometrine, muscimol, ibotenic acid, lysergic acid hydroxyethylamide (LSH), elymoclavine, ergometrinine and chanoclavine, wherein the psychoactive alkaloid extract comprises naturally occurring substances selected from the group consisting of fats, sugars, carbohydrates, chitin, chitosan, minerals, waxes and proteins;
  a preservative from over 0% up to 10%, a flow agent from over 0% up to 2%, or both the preservative from over 0% up to 10% and the flow agent from over 0% up to 2%; and
  10-94% of a carrier;
wherein a concentration of the psychoactive alkaloid in the composition is over 0% and below exactly 10.5%.

Psilocybin Extract

CA3097246
A powdered composition consisting essentially of:
  an extract from one or more mushrooms, the extract comprising psychoactive alkaloid that is psilocybin, psilocin, baeocystin, norbaeocystin, norpsilocin, aeruginascin, bufotenin, bufotenidine, 5-MeO-DMT (5-methoxy-N, N-dimethyltryptamine), N,N- dimethyltryptamine (DMT), ergine (LSA), ergonovine, ergometrine, muscimol, ibotenic acid, lysergic acid hydroxyethylamide (LSH), elymoclavine, ergometrinine, chanoclavine or any combination selected therefrom; and
  an excipient;
wherein the psychoactive alkaloid has a concentration between a lower limit of exactly 10.5% and an upper limit of 99% by weight in the powdered composition.

Psilocybin Extraction

CA3088384
A process for forming an extract with a specified concentration of psychoactive alkaloids from a dried, raw, psilocybin fungus comprising the steps of:
  soaking a biomass of the dried, raw psilocybin fungus in a solvent that is a water-ethanol mixture in order to dissolve the psychoactive alkaloids in the solvent;
  filtering an undissolved portion of the biomass from the solvent;
  evaporating a portion of the solvent to form a concentrated slurry;
  measuring a psychoactive alkaloid content in the concentrated slurry;
  measuring a dry mass content in the concentrated slurry;
  using the psychoactive alkaloid content, the dry mass content and the specified concentration to determine a quantity of a carrier to add to the concentrated slurry in order to obtain the specified concentration of the psychoactive alkaloids in the extract;
  standardizing the concentrated slurry by adding thereto the quantity of the carrier; and
  drying the concentrated slurry to result in the extract with the specified concentration of the psychoactive alkaloids.

Puppy Training Pad

US11570965
A system for collecting dog waste comprising:
  a biodegradable receptacle;
  a biodegradable leak proof liner inside the biodegradable receptacle;
  a biodegradable cell divider on the biodegradable leak proof liner;
  a biodegradable absorbent coconut layer on the biodegradable leak proof liner, comprising coconut soil bricks that are distributed in cells defined by the biodegradable cell divider; and
  a biodegradable coconut fiber mat over the biodegradable absorbent coconut layer and the biodegradable cell divider.

Throttle Block for Flow Meter

CA2911900
A throttling block for a flow meter comprising:
  a first flat surface, which is inclined relative to a longitudinal axis of a pipe so as to reduce a cross-sectional area available for flow in the pipe from an unthrottled cross-sectional area to a throttled cross-sectional area;
  a second flat surface adjoining the first flat surface and extending parallel to the longitudinal axis, so as to maintain the throttled cross-sectional area substantially constant;
  an aperture in the second flat surface, wherein the aperture is shorter in a direction parallel to the longitudinal axis than in a direction perpendicular to the longitudinal axis, and a third flat surface adjoining the second flat surface and inclined relative to the longitudinal axis so as to increase the cross-sectional area available for flow in the pipe from the throttled cross-sectional area to a cross-sectional area that is less than the unthrottled cross-sectional area.

Transdermal Psychoactive Composition

CA3123774
A transdermal psychoactive alkaloid composition comprising, by weight:
  1-40% of a dephosphorylated psychoactive alkaloid extract comprising psychoactive alkaloid that is psilocin, bufotenine, bufotenidine, norpsilocin, 4-hydroxytryptamine, N,N,N-trimethyl-4-hydroxytryptamine or any combination selected therefrom;
  1-30% of alcohol;
  1-80% of one or more permeation enhancers; and
  1-20% of one or more thickening agents, one or more gelling agents or both one or more thickening agents and one or more gelling agents.

Two-Joint Energy Harvester

US10982661
A device for harvesting energy from and augmenting motion of a first joint and a second joint of an animal body, wherein the first joint connects a first and a second body segment of the animal and the second joint connects the second and a third body segment of the animal, the device comprising:
  a first brace which attaches to the first body segment, a second brace which attaches to the second body segment, and a third brace which attaches to the third body segment;
  a motor-generator that is switchable between a harvesting mode and an augmentation mode; and
 a joint selector that has a first position and a second position, wherein:
   the first position mechanically links the motor-generator to the first brace and the second brace so that relative rotation between the first brace and the second brace correlates with rotation of the motor-generator; and
   the second position mechanically links the motor-generator to the second brace and the third brace so that relative rotation between the second brace and the third brace correlates with rotation of the motor-generator.

Vapour-Powered Liquid-Driven Turbine

US11761355
A power generation system comprising:
  an evaporator;
  a condenser;
  a liquid pump connected to pump pressurizing fluid, in a liquid state, from the condenser to the evaporator;
  a liquid turbine;
  multiple pressure cylinders, each with an inlet from the evaporator, an outlet to the condenser, an outlet to the liquid turbine and an inlet from the liquid turbine; and
  multiple valves that are operable to:
   (a) admit a volume of the pressurizing fluid, when gaseous, from the evaporator into a first one of the pressure cylinders in order to transfer a liquid working fluid therefrom to the liquid turbine, wherein the pressurizing fluid has a lower boiling point than the liquid working fluid; and
   (b) admit the liquid working fluid from the liquid turbine into a second one of the pressurizing cylinders in order to transfer another volume of the pressurizing fluid therefrom to the condenser.

Wind Power

US11493022
A system for harnessing energy from wind comprising:
  a track that guides a set of carts in a horizontal looped path;
  a frame on which the track is mounted;
  a circular track on which the frame is rotatably mounted;
  the set of carts, each cart having a rack attached thereto, and at least some of the carts being aerofoil carts each of which carry an aerofoil that moves the aerofoil cart along the track when the wind blows over the aerofoil; and
  a gear at a side of a straight section of the track positioned to be contacted by and driven by the racks on the carts when the carts pass the gear, wherein the gear drives an electrical generator;
wherein at least some of the carts are locked together in a train on the straight section of the track and others of the carts are unlocked from each other on a curved section of the track.