U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5996127

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.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 137/512.2 - One valve carries head and seat for second valve


Subclass of Class 137 - Fluid handling
Definition: Devices in which one of the valves carries the seat for
No. of patents: 76
Last issue date: 08/30/2011


1    
NumberTitleIssue Date
8006716Parent-subsidiary guide float valve
A floating valve providing a parent-and-subsidiary flow-guided floating valve of low pressure drop, high throughput and highly flexible operation maintaining high efficiency within a wide range of gaseous load changes is disclosed. Furthermore, a parent-and-subsidia...
08/30/2011
7367353Combined check valve and pressure relief valve
A combination check valve and pressure relief valve is provided for use in regulating the flow of fluid between a first fluid side and a second fluid side. The valve may include a valve body, a valve insert positioned within an aperture of the valve body, a check po...
05/06/2008
7296594Combination check valve and neutral valve assembly for use in a hydraulic component
A combination neutral valve and check valve assembly is provided for use in connection with a closed hydraulic circuit and a sump such as in a hydrostatic transmission. A cage and check poppet are mounted in a valve body having an opening between the hydraulic circu...
11/20/2007
7273041Fuel system combination valve for an internal combustion engine and such a fuel system
The invention relates to a combination valve (15) for pressure control and venting in a fuel system for delivering fuel to an internal combustion engine. The valve comprises a primary valve cone (25), which is supported so that it is displaceable betwe...
09/25/2007
7258134Combination check valve and pressure rise rate valve
A combination check valve and pressure rise rate valve is provided for regulating the flow of fluid between a first fluid side and a second fluid side. The valve may include a valve body, a valve insert positioned within an aperture of the valve body, and a check po...
08/21/2007
7219683Cut valve with check valve
A cut valve with a check valve includes a body case, a cap member, positive and negative pressure valves, and first and second springs. The body case defines a vent hole. The cap member is fitted to an upper portion of the body case. The positive pressure valve is m...
05/22/2007
7207332Apparatus for administering a gas to a person or an animal
An apparatus (1) for administering a gas to a person or an animal, is provided with a chamber (9) for receiving a quantity of gas to be administered. The chamber is provided with a gas line (3) for supplying gas from a source to the chamber (...
04/24/2007
7156135Quick-release connector structure for an air tank
A quick-release connector structure for an air tank includes a connector body incorporated with an air tank and a seat block. The seat block is secured to the air tank and comprises a valve having a post extending forwardly. The valve is acting as a switch to turn t...
01/02/2007
7114516Leak-detecting check valve, and leak-detection alarm system that uses said check valve
One object of the present invention is to monitor water pipes regularly and to detect water leaks by using basic equipment and to provide a device that generates an alarm when a leak occurs. The present invention responds not only to minor leaks that occur naturally...
10/03/2006
7104277Valve for controlling a tank internal gas pressure
The invention concerns a control valve (c) for internal gas pressure of a liquid tank co-operating with an orifice (10) provided in the upper part thereof, allowing through a gas flow outside the tank when the difference between the internal pressure and the ...
09/12/2006
7028708Combined check valve and pressure relief valve
A combination check valve and pressure relief valve is provided for use in regulating the flow of fluid between a first fluid side and a second fluid side. The valve may include a valve body, a valve insert positioned within an aperture of the valve body, a check po...
04/18/2006
7004193Valve arrangement and traffic calming device incorporating such an arrangement
A reactive speed hump (2) includes a fluid flow control valve assembly (4). A first valve (18, 20, 21) is naturally open and a second valve (10, 14, 15, 16, 17), naturally closed. Application of fluid pressure on the control valve assembl...
02/28/2006
6951209Fuel vapor processing system
In a fuel vapor processing system, a float valve and a check valve are provided in upper parts of a fuel tank to conduct fuel vapor to a canister via a fuel vapor passage. The check valve includes a low set-pressure valve and high set-pressure valve, and operates in...
10/04/2005
6948390Flow through pipet
The present invention is directed to a flow through pipet for sample measurement. The pipet of the invention has a body defining an interior space for receiving a fluid. The drain line is provided to drain fluid above a drain line inlet, thereby establishing a repea...
09/27/2005
6837256Filler tube mounted fuel tank refueling valve
A spring loaded valve member with a poppet on one end is disposed in a fuel tank with the inlet end connected to the filler tube. The valve member has a spool valve attached to the poppet. The poppet is opened by fuel discharging from a refueling nozzle and the valv...
01/04/2005
6823892Automatic valve for the stabilization of a thermostatic mixing device
A valve installed at the inlet of a thermostatic mixing device for automatically stabilizing the operation of the thermostatic device by maintaining the pressure within the thermostatic mixing device close to the water supply pressure, thereby making the thermostati...
11/30/2004
6818122Dual stage filter element bypass valve
A replaceable cartridge type dual stage bypass valve is used in dual filter multi-media filtration assemblies. The cartridge may be selected and easily replaced to meet the various combinations and requirements of the dual filter elements (primary and secondary). Th...
11/16/2004
6779543BOP operating system with quick dump valve
In some prior art Blowout Preventer (BOP) operating systems, high velocity fluid flows and low differential pressures induced vibration in the system. This vibration may result in collapsed and failure of hydraulic hoses in the system. A quick dump valve has been ad...
08/24/2004
6772790Fuel tank
A fuel tank for a motor vehicle has means for delivering fuel from the tank to the engine, means for the introduction of air into and the venting of air from the tank, and a filler pipe which can be closed at its intake end and which at its outlet end into the inter...
08/10/2004
6374852Leak arresting valve
A flow control valve is disclosed wherein a housing defines a flow chamber with an inlet and an outlet. Disposed within the flow chamber is a telescoping poppet comprising an inner poppet and an outer poppet. A first spring is selected to bias the outer p...
04/23/2002
6206487Brake pressure control device
A brake pressure control device is provided that includes a brake valve, an air master cylinder, and an air control valve. The air control valve is provided between the brake valve and the air master cylinder for selectively controlling the air pressure s...
03/27/2001
6123100Ammonia excess flow valve
An ammonia excess flow valve has a seal ring (24) slidably positioned around at least two retainer vertical members (22B). A disk (26) has a disk central opening (26A) and a disk pin opening (26B) therethrough. The disk (26) is positioned adjacent to and ...
09/26/2000
6079519Combined fill and relief valve
A combined fill and relief valve is provided for a fluid chamber containing grease under pressure relative to surrounding atmosphere. The valve includes a housing having a longitudinal bore, the longitudinal bore including an inlet and an outlet. The hous...
06/27/2000
6000421Valve device for a heat exchanger located in a bypass in a cooling circuit, especially of an internal combustion engine
A cooling circuit includes a valve device (1, 1', 1") for a separate heat exchanger (42), especially of an internal combustion engine (48). To achieve a combined pressure limitation and pipe or hose break valve, a valve body (6, 35, 50), upon reaching a c...
12/14/1999
5873297Fluid-operated brake actuator with check valve
A fluid-operated brake actuator having a check valve in the spring chamber to equalize the pressure on opposite sides of an operating movable diaphragm. The check valve being double redundant and tamper resistant and comprising a tubular body having a fir...
02/23/1999
5794654Reed valve apparatus
A reed for use in a reed valve which includes a resilient planar member having a first edge portion by which the member may be attached to an associated reed cage and an opposed second edge portion. The reed includes a generally arch shaped cut in the mem...
08/18/1998
5762551Freeze-free vent
A flap valve vent hood for discharging air to atmosphere from clothes dryers and bathroom vents is provided freeze-free by a secondary valve that is mounted on the principal flap valve and covering an open area that provides a secondary air flow path thro...
06/09/1998
5725369Gas torch having a gas regulating device
A gas torch having a body provided with a connected socket to install a gas-can thereof. A control device is connected to top of the body to control the supply and shutoff of the gas flow. The body is connected with a regulating device to ensure a complet...
03/10/1998
5685329Dual inline rupture pin release and reseating spring loaded relief valve
A toxic and corrosive fluid monitoring relief valve is formed by a valve body containing inline fluid pressure relief valves respectively opened in response to a first and a second fluid pressure. Fluid pressure in excess of the first fluid pressure opens...
11/11/1997
5632298Resuscitation and inhalation device
A resuscitation and inhalation device which can be used alternatively in each of two modes. The flow of oxygen or gas is controlled by a control valve, itself controlled by a movable member acted upon by the pressure of oxygen or gas in a chamber after ha...
05/27/1997
5402818Fuel shut-off device
In a first valve mechanism 30, a positive pressure spring 31 presses a first valve plug 34 to seat an external ring projection 37 of the first valve plug 34 onto a bottom surface 39 of a support cylinder 35. The first valve mechanism 30 opens at a first v...
04/04/1995
5365974Flow-control valve
A flow control valve having a housing in which an insert is positioned. Fluid flows around all sides of the insert. A guide cylinder is positioned within the housing on an inlet side of the housing. A shaft of a first spring-loaded control element is guid...
11/22/1994
5261792Reverse osmosis water purifier booster pump system
A reverse osmosis water purification system that incorporates a high torque low speed motor to drive a pump, such that the pump can continuously pump water from a source of water to an osmotic membrane The system may have a reservoir to store the purified...
11/16/1993
5203803Reverse osmosis water purifier booster pump system
A reverse osmosis water purification system that incorporates a high torque low speed motor to drive a pump, such that the pump can continuously pump water from a source of water to an osmotic membrane. The system may have a reservoir to store the purifie...
04/20/1993
5176171Check valve
A check valve includes an outer poppet therein having a central opening therein where the outer poppet is mounted on the internal lip within the body of a valve. The outer poppet is translatable relative to the inner lip and body and an inner poppet is mo...
01/05/1993
5165442Differential valve
A fire fighting foam proportioner for use in providing precise proportioning of foam to fire fighting liquid, e.g. water, is disclosed. It includes a tank for the storage of foam concentrate which is loaded using a hand pump. The storage tank is coupled t...
11/24/1992
5125429Piston pressure-type vacuum breaker
A pressure-type vacuum breaker for use in a fluid flow line has a housing defining a central bore and an inlet, an outlet and a discharge vent. A piston assembly disposed within the central bore is movable within the bore between first and second position...
06/30/1992
5103854Low pressure check valve for artificial respiration devices
A valve assembly is disclosed for controlling fluid flow in a first direction and a second direction. The valve assembly includes a housing for enclosing a substantially circular regulator assembly which extends diametrically across the housing. The regul...
04/14/1992
5095939Redundant pressurizing valve
A pressuring valve having a housing with a bore therein for retaining concentric first and second pistons within a sleeve having an end wall with an entrance port connected to a first conduit. A spring within the bore urges a first face on the first pisto...
03/17/1992
5038724Debris resistant valve assembly
An internal combustion engine comprising an engine block defining a cylinder bore and a fluid jacket, an annular valve seat defining a first passageway communicating with the fluid jacket, a valve assembly including a housing having a fluid inlet, a fluid...
08/13/1991
1    
 
Sign InRegister
Username  
Password   
forgot password?