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Recently Issued Patents


Home energy storage battery system

Publication number: US10084334B1

Application number: 15/702,651

An automatic rechargeable battery control module incorporates an automatic battery control system that automatically switches from charge to discharge modes with a single relay, thereby preventing the need to manually reset a relay switch due to an over or under voltage situation. The module requires on a single power connection line connected with a single power connector on the module. Both input power to charge the battery and output power flow in and out of the single power connector and through the single power connection line. An automatic battery control circuit is coupled with a battery management system and a relay contactor is opened and closed by a signal from the battery management system. The battery management system monitors a state of charge of the battery unit as well as current flow to and from a battery unit.

Safety walker

Publication number: US10085910B2

Application number: 15/651,014

A safety walker has a support extension that extends from the front of the moveable support frame toward the back end opening and is centrally located. A user may enter the safety walker and straddle the support extension and the actuate the support extension up to a secure position, whereby in the event of a fall the support extension will support the user. The support extension may be coupled with an actuator system having a motor to raise or pivot the support extension. A safety strap may be attached to the extended end of the support extension and extend above the support extension towards the front of the movable support frame. The safety strap may provide a flexible support that is more comfortable for support in the event of a fail. A gate may be coupled with an actuator system and automatically close as the support extension is lifted.

Electrochemical compressor utilizing an electrolysis

Publication number: US20160024666A1

Application number: 14/712,376

An electrochemical compression system utilizes an electrolyzer to electrolyze an electrochemically active working fluid, at a first pressure, into decomposition products that are reformed back into said electrochemically active working fluid by a fuel cell, at a higher pressure. Water may be electrolyzed into hydrogen and oxygen and stored in reservoir tanks at an elevated pressure and subsequently provided to a fuel cell for reforming. The hydrogen is provided to the anode side of a polymer electrolyte membrane fuel cell and the oxygen is provided to the cathode side. Water is reformed on the cathode side of the fuel cell at a higher pressure than the inlet to the electrolyzer. This pressure differential enable flow of the electrochemically active working fluid through a conduit from the cathode to the electrolyzer. This flow of fluid may be used in a heat transfer system.

Multilayer flame barrier and fire shelter incorporating same

Publication number: US10099450B1

Application number: 15/376,579

A lightweight multilayer flame barrier includes alternating layers of a metal foil and an insulation layer to form a barrier layer. The metal foils may be configured on both the barrier surface and the interior surface. A barrier layer may be attached or coupled to a support layer. The lightweight multilayer flame barrier may be configured as a portable shelter that can be carried by fire service people and therefore may be lightweight and thin to enable compact storage and transport. The lightweight multilayer flame barrier may provide high convective exposure time in a thin lightweight composite.

Tracer insert and tracer shell incorporating same

Publication number: US10107604B1

Application number: 15/589,957

A tracer insert has an upper cavity for retaining shot and a lower cavity for retaining a tracer powder compound. The tracer insert is configured for placement within the shot-pocket of a wad within a shotgun shell. The shot is placed in and around the tracer insert within the shot pocket and some shot is retained within the upper cavity of the tracer insert. A bottom exhaust port in the lower cavity allows the release of the tracer powder compound upon firing of the tracer shell. A cavity separator separates the upper and lower cavities and a flow channel may extend down from the top of the tracer insert into the lower cavity to allow a flow of air to aid in the release of the tracer powder compound. Side exhaust ports may be configured around the lower cavity to provide additional release area for the tracer powder compound.

In-line twist on electrical wire connector

Publication number: US10109929B2

Application number: 15/682,419

An in-line wire connector has a connector body with two insert ends on opposing ends for receiving a first and a second wire into apertures. A truncated tapered coil is configured within the connector body to secure the first and second wires to the in-line wire connector. The in-line twist on wire connector connects wires in line and may be low profile to allow the wires and the wire connector to slide through apertures and tight spaces as it often required in construction and remodeling projects. An in-line wire connector may have two truncated tapered coils that taper toward the opposing ends. A first and second wire conductor extend past each other toward opposing insert ends to produce an overlap portion to create electrical contact between wires. When the connector body is rotated, the wires rotate about each other and are retained by the tapered coil.

Fish culling clip

Publication number: US10111412B1

Application number: 15/791,588

A self-tightening culling clip used to secure a marker to a fish for quick identification of the fish in a livewell, for example. The self-tightening culling clip has handles coupled together about a handle pivot and a marker attached to a lift-pivot. A spring forces the jaw end of the handles together and a user may squeeze the handle end of the handles to open the jaws for attaching to a fish. When the marker is lifted, the handles pivot about the handle-pivot to apply force to close the jaws, thereby creating a self-tightening culling clip. A pair of links extend from the lift pivot to the handles and these links for the handle end of the handles outward when the marker is lifted. The marker may have a distinctive identifier color and/or character.

Automatic control system for a rechargeable battery system

Publication number: US10116149B1

Application number: 15/658,156

An automatic battery control system automatically switches from charge to discharge modes with a single relay, thereby preventing the need to manually reset a relay switch due to an over or under voltage situation. An automatic battery control circuit is coupled with a battery management system and a relay contactor is opened and closed by a signal from the battery management system. The battery management system monitors a state of charge of the battery unit as well as current flow to and from a battery unit. A parallel resistor is configured across the input and output sides of the single relay contactor and the voltage drop across the resistor indicates a connection to either a charging power source or a load. The connection is communicated to the battery management system by an optocoupler and if the battery unit has an acceptable state of charge, the relay contactor is closed.

Vapor Delivery Device

Publication number: US0117463B2

Application number: 15/199,976

A vapor delivery device for the delivery of a dose of vaporizable material includes a detachable dose cartridge having an oven. The oven is configured to contain a vaporizable material and at least oven vent configured to allow the flow of the vapor to a delivery port. The oven may be detachably attached to the dose cartridge. A detachable dose cartridge or oven may be sealed and have a dose of vaporizable material that is inaccessible inside. The vapor delivery device may accommodate organic, resin, prepackaged or liquid vaporizable materials. The oven vent or vents are configured to be either blocked or covered to substantially eliminate vapor escaping from the oven chamber. An oven chamber or oven closure, may be configured to rotate to trap vapor within the oven. In another embodiment, an oven is configured with a plunger that traps vapor within the oven.

Sun shade canopy system

Publication number: US10151120B1

Application number: 15/181,153

A solar shade system includes a first and second canopy assembly that are configured to support a cantilevered beam out from a post. The cantilevered beam is utilized to support a canopy that extends substantially from the first and second canopy assemblies. A post coupler extends between the two posts and an extended end coupler extends between the two extended ends of the cantilevered beams. A canopy has four sides with sleeves configured on each side for receiving a support, such as a post coupler, an extended-end coupler and a canopy cantilever. The solar shade system is quick and easy to assemble.