Bizarre Patents
Wearable Device For Feeding and Observing Birds and Other Flying Animals
A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.
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| Number | Title | Issue Date |
| 7600533 | Microfluidic valve having free-floating member and method of fabrication Micro check valves having a free-floating member for controlling flow of fluid in microfluidic and biomedical applications and methods of fabrication. A micro check valve includes a valve seat, a valve cap that contacts the valve seat and an untethered floating memb... | 10/13/2009 |
| 7322423 | Dry pipe valve for fire protection sprinkler system A fire protection system comprises a supply pipe having a first fluid pressurized to a first pressure and a network of pipes having a plurality of sprinklers. The network of pipes have a second fluid being pressurized to a second pressure at approximately 5.5 times ... | 01/29/2008 |
| 7285251 | Tool for loading reactor tubes The present invention provides a tool that can be used to load catalyst into a chemical reactor. In a preferred embodiment, the tool may also be used to measure the outage in the reactor tube. Also in a preferred embodiment, the tool provides a way to prevent dust f... | 10/23/2007 |
| 7225830 | Fluid control valve A fluid control valve having a spring biased shuttle plunger member which opens or closes fluid flow through a plurality of radially spaced apart fluid passageways disposed between an upstream chamber and downstream chamber in the valve body responsive to a fluid pr... | 06/05/2007 |
| 7171981 | Flow control device and system A flow control valve has a ball and an annular seat providing a positive stop for automatically preventing flow through the valve when a line downstream has been broken. The flow control valve is useful for interior applications in which seepage through the valve wo... | 02/06/2007 |
| 7135246 | Electronic apparatus having energy-saving cooling system An electronic apparatus includes a component to which a pressure is applied or which provides vibration, a heat absorbing member, a heat dissipating member, an elastomer bag which receives a pressure or the vibration from the component, a first check valve connected... | 11/14/2006 |
| 7104333 | Dry pipe valve for fire protection sprinkler system A differential-type dry pipe valve for a fire protection sprinkler system has a ratio of effective air sealing area to service water sealing area that is smaller than a ratio of service water pressure to system air pressure at which the fire protection sprinkler sys... | 09/12/2006 |
| 6810963 | Dry pipe valve for fire protection sprinkler system A differential-type dry pipe valve for a fire protection sprinkler system has a ratio of effective air sealing area to service water sealing area that is smaller than a ratio of service water pressure to system air pressure at which the fire protection sprinkler sys... | 11/02/2004 |
| 6708716 | Valve assembly A valve assembly includes a valve body having a passageway and first and second oppositely facing valve seats that extend around the passageway. First and second valve elements are positioned in the passageway to seal against the respective valve seats, and a spring... | 03/23/2004 |
| 6557645 | Dry pipe valve for fire protection sprinkler system A differential-type dry pipe valve for a fire protection sprinkler system has a ratio of effective air sealing area to service water sealing area that is smaller than a ratio of service water pressure to system air pressure at which the fire protection sp... | 05/06/2003 |
| 6394219 | Hydraulic power steering system with a pressure relief valve A hydraulic power steering system (10) for turning steerable wheels of a vehicle. The system (10) comprises a steering gear (12) including a hydraulic motor and a steering valve. The steering gear is susceptible to pressure fluctuations that cause noise d... | 05/28/2002 |
| 6289926 | Flapper valve assembly with seat having load bearing shoulder A flapper valve assembly (120) for controlling fluid flow therethrough is disclosed. The flapper valve assembly (120) comprises a tubular valve housing having a valve chamber. A valve seat (124) is mounted within the housing. The valve seat (124) has a va... | 09/18/2001 |
| 6263910 | Valve with secondary load bearing surface A valve (120) for controlling fluid flow therethrough in downhole applications is disclosed. The valve (120) comprises a valve housing having a valve closure mechanism (122) and a valve seat (124) disposed therein. The valve closure mechanism (122) has se... | 07/24/2001 |
| 6196261 | Flapper valve assembly with seat having load bearing shoulder A flapper valve assembly (120) for controlling fluid flow therethrough is disclosed. The flapper valve assembly (120) comprises a tubular valve housing having a valve chamber. A valve seat (124) is mounted within the housing. The valve seat (124) has a va... | 03/06/2001 |
| 5988211 | I.V. flow controller An I.V. Flow Controller incorporating an adjustable, differential pressure regulator that provides a constant but adjustable differential pressure across a fixed orifice. One end of the adjustment range provides shut-off and the other end full-flow. The a... | 11/23/1999 |
| 5960823 | Tank vacuum limiter assembly A vacuum limiter valve assembly has a valve body screwed into an opening on a cargo tank. It has a relatively soft elastomeric, lightly spring-loaded seal closing the passageway through the valve body between the tank interior and the surrounding environm... | 10/05/1999 |
| 5826612 | Orifice scheduling ball check valve A check valve for use in an hydraulic control circuit includes separator plates each having an orifice of predetermined size and a ball retained between the separator plates, adapted to close one of the orifices and to open a port and parallel passages co... | 10/27/1998 |
| 5725013 | Bush insert with orifice for a liquid-containing housing In a bush insert with an orifice for a liquid-containing housing, which is insertable as a bush (22) in a passage opening (21) in the housing (3), includes an orifice (25) in its base, the base of the bush insert (22') is formed as a cone (29) pointing co... | 03/10/1998 |
| 5549135 | Ball Valve A ball valve disclosed herein is low cost and offers a fast and reliable valve operation. Furthermore, the actuating force the ball valve requires, when it is shut off, is small. The ball valve is capable of fine adjustment of the flow. The ball valve com... | 08/27/1996 |
| 5529091 | Check valve A body, having ported plates astride a third plate having a void formed therein, confines a ball-type valving element therein, in a chamber defined by the void. Ports in the ported plates open onto the chamber, and the ported plate on the outlet side of t... | 06/25/1996 |
| 5482077 | High pressure abrasive slurry check valve A piston check valve for use in a system which conveys abrasive materials includes a gland nut which connects the valve to the piping system, a valve body mounted on the gland nut, a valve seat mounted on the valve body, and a piston mounted within the va... | 01/09/1996 |
| 5406978 | Shuttle orifice control mechanism A hydraulic fluid pressure operated control mechanism for controlling of hydraulic systems has a housing with a flow through cross-sectional area restricted by a drill hole in an open position of the control mechanism and a seat engageable by a throttle d... | 04/18/1995 |
| 5336166 | Three stage implantable valve An implantable drainage device for the treatment of hydrocephalus is described. The device operates like a combination of three valves including a first pressure regulation valve in series with an assembly having a flow regulation valve in parallel with a... | 08/09/1994 |
| 5332042 | Fluid control valve A fluid flow control valve having an adjustable opening pressure and using expendable components therein for use in pumping highly abrasive fluids therethrough.... | 07/26/1994 |
| 5318407 | Check valve having internal float The present invention provides a check valve which, when placed at the end of a pump suction pipe, allows the pump to draw fluid therethrough from a continuously replenished, below-ground fluid source. When the fluid in the fluid source has been depleted ... | 06/07/1994 |
| 5313974 | Pipeline pressure release apparatus and method A pressure release apparatus for relieving pressure that may occur within a pipeline due to water hammers or the like. This apparatus is secured to the pipeline directly in line with the pressure wave and consists of a spool piece having an opening theret... | 05/24/1994 |
| 5280131 | Fluid-filled electric power cable system with two-way piston check valve A two way fluid flow check valve includes a plug movable reciprocally lengthwise of the valve against either of respective valve seats within a valve housing. A fixed partition which acts as a piston is located within a cylindrical cavity of the plug. The... | 01/18/1994 |
| 5207243 | Two-way piston check valve A two way fluid flow check valve includes a plug movable reciprocally lengthwise of the valve against either of respective valve seats within a valve housing. A fixed partition which acts as a piston is located within a cylindrical cavity of the plug. The... | 05/04/1993 |
| 5189877 | Exhaust manifold air injector An air injection device for attachment to the exhaust manifold of an internal combustion engine is described. A one-way or check valve permits air to be drawn into the air injector to the exhaust manifold when the pressure inside is less than atmospheric ... | 03/02/1993 |
| 5119858 | Valve A valve comprises a valve member engageable with a valve seat provided in a valve body, an annular seal slidably supported on the valve member or adjacent the valve seat and having an axial end face which is sealing engageable with the valve seat or valve... | 06/09/1992 |
| 5052434 | Valve, especially for compressors The valve, which is intended especially for compressors, comprises a valve seat (1) with passage channels (2), a catcher (3), and at least one sealing element (5), which is arranged in the intermediate space between the valve seat (1) and the catcher (3).... | 10/01/1991 |
| 4872475 | Adjustable differential flow shuttle valve The present invention is a one-way fluid valve which consists of a shuttle chamber (29) with its two ends connected with the two fluid openings (22,22'), a shell (2) incorporating a by-pass (20) which is connected with the two ends of the shuttle chamber,... | 10/10/1989 |
| 4856548 | Resuscitation valve A resuscitation valve uses a pair of thin membrane valve elements that are spaced apart about an exhaust passage to provide increased reliability and simplify construction and fabrication. The resuscitation valve is of the nonrebreathing type and includes... | 08/15/1989 |
| 4825897 | Flow control valve A fluid flow control device comprising a cylindrical housing adapted to be sealably positioned in a fluid flow system and having a passageway therethrough for the flow of fluid under pressure. The housing defines fluid entrance and exit ports with each po... | 05/02/1989 |
| 4811756 | Safety valve A safety valve comprises a valve member which is movable against spring biasing force to close under a predetermined flow rate against valve seats and allow only a small bleed through the valve via slots. The housing consists of two parts which are adjust... | 03/14/1989 |
| 4756982 | Dual seal battery vent valve A "sealed" electric storage battery having a check/relief valve for controlling the venting and resealing pressures for the battery wherein the valve has at least two separate sealing members each capable of adjustment independently of the other for bette... | 07/12/1988 |
| 4676266 | Pressure relief device An improvement in a pressure relief device of the type used in a power transformer, the improvement consisting of a flat circular gasket fixedly mounted about its inner periphery, and having its outer periphery flexibly arranged for wiping contact with th... | 06/30/1987 |
| 4655251 | Valve having hard and soft seats An improved valve is provided of the type having a spring biased ball for sealing engagement with both a metallic seat and a plastic seat. The valve is of the type including a passageway adapted for receiving a stinger to unseat the ball from both seating... | 04/07/1987 |
| 4531543 | Uni-directional flow, fluid valve The valve has a seat and plate coupled together to define a shallow chamber therebetween, and a thin, metal, valving disc is freely movable, through the chamber, between the seat and plate. The disc has a metering orifice in the center thereof for communi... | 07/30/1985 |
| 4518329 | Wear resistant pump valve A fluid pressure energized wear resistant pump valve is provided having a valve body and seal retainer formed of metal which secure a seal insert in assembly therewith. The seal insert incorporates an elastomeric sealing portion having a frusto-conical se... | 05/21/1985 |
