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Class 137/854 - Central mount


Subclass of Class 137 - Fluid handling
Definition: Valves in which the resilient member is secured at its center
No. of patents: 247
Last issue date: 07/12/2011


1              
NumberTitleIssue Date
7975722One way valve that uses fluid pressure to open and close the valve
A positive pressure one way medical valve contains an inlet (10), outlet (11), an internal flow path between the inlet and the outlet and a plunger (12) movable between a retraced sealing position, where backflow is reduced or prevented and an e...
07/12/2011
7438090Booster valve
A flow valve having sealing member having a first condition for engaging a housing to prevent back flow and a platform for obstructing a flow passage through the flow valve with the platform supporting the sealing member in an out-of-the-way condition to allow fluid...
10/21/2008
7401620Yard hydrant with drain port check valve
A yard hydrant having a valve body with a drain port and a check valve mounted adjacent to the drain port to allow water to flow from the hydrant through the drain port to the ground and prevent ground water from flowing into the hydrant through the drain port and c...
07/22/2008
7357792Positive push medical valve with internal seal
A medical valve having an open mode to permit fluid flow and a closed mode to prevent fluid flow has a body and a valving element within the interior of the body. The body also has a valving element within its interior, and a proximal port and a distal port. The val...
04/15/2008
7350541Leakproof one-way valve for use with vacuum attachment
A one-way valve allows air to be drawn from a collapsible, flexible, airtight bag using a vacuum source. When the vacuum source is removed, the one-way valve prevents air from re-entering the bag. The valve assembly comprises a base, a valve element supported by the...
04/01/2008
7334603Check valve
A check valve has an elastic valve body portion and an inelastic valve body portion and a valve seat. The valve body is fixed to a valve shaft, and a valve body abutment plate for abutting the elastic valve body portion is supported to the valve shaft. The valve bod...
02/26/2008
7316240Exhaust system and mini-exhaust static pressure controlling apparatus thereof
An exhaust system and a mini-exhaust static pressure controlling apparatus thereof for controlling a process area. The mini-exhaust static pressure controlling apparatus has an exhaust chamber and an auto release damping device. The exhaust chamber has an air inlet ...
01/08/2008
7311119Valve apparatus
A valve apparatus is small, and regulates a fuel amount by restricting a lift amount of a valve. A columnar portion is formed on a pump body. The columnar portion is inserted into a check valve and a washer formed with a protruding portion which protrudes outward fr...
12/25/2007
7302960Momentary high pressure valve
A valve (10) comprises a housing (12) with a valve element (14) which normally fluidicly couples a low pressure operating device, such as a transducer (30) and tubing (34) to be coupled to a patient (36) along a first flow p...
12/04/2007
7294354Container with gas release feature
A gas release container comprises a container body having a bottom wall and a side wall extending upwardly from the bottom wall and terminating at an upper edge, a removable closure affixed to the upper edge in a substantially gas-tight manner, and a gas release val...
11/13/2007
7291134Medical connector
A needleless connector for adding medication to a parenteral fluid is provided. The needleless connector comprises a connector adapted to receive a syringe and having a check valve to seal the port in place of a puncture pad. The check valve comprises a resilient di...
11/06/2007
7278445Shoe having an inflatable bladder
An article of footwear including a sole and an upper with an exterior and interior surface, and one or more bladders which comprises at least one of the exterior or interior surfaces of the upper. The article of footwear also includes a inflation mechanism located u...
10/09/2007
7252110Membrane valve and second stage pressure reducer for two-stage underwater regulators incorporating said valve
A membrane valve wherein the shutter disk is retained in contact with the valve seat during ejection of liquid or gas by means of one or more ribs that are substantially in contact with the shutter disk along one or more lines secant to the shutter disk and/or by me...
08/07/2007
7249694Valve mechanism for tube-type fluid container
A valve mechanism adapted for a fluid-discharging port of a tube-type fluid container, comprising: a valve seat portion 40 having an opening 41 through which a fluid flows; a valve portion 20 comprising a valve body 21 having a shape corr...
07/31/2007
7240796Packaging release valve for refrigerated food items
A valve assembly is provided for venting pressurized gases generated from within an enclosed package during a heating of the package. The valve assembly has a membrane element, a tubular body and a retaining member. The tubular body has an open end, a closed end and...
07/10/2007
7204760Constant velocity joint vent
A vent valve for use in a constant velocity joint having a vent aperture in communication with a joint cavity comprises a body portion having a first end and a second end and a plurality of escape pathways extending therebetween. An umbrella shaped flexible retentio...
04/17/2007
7182093Vehicle pressure relief valve having centrally secured flaps and method of manufacturing the same
A pressure relief valve (12) for relieving air pressure from a passenger compartment (14) of a vehicle (10) includes a base (18) having a central portion (26) and a peripheral portion (28). A plurality of openings (46...
02/27/2007
7152625Combination check valve and release valve
An article of footwear including a sole and an upper with an exterior and interior surface, and a bladder which comprises at least one of the exterior or interior surfaces. The bladder comprising sheets of polyurethane attached together via welding. The bladder incl...
12/26/2006
7128541Oscillating displacement pump
An oscillating displacement pump, particularly a diaphragm pump (P) for liquid or gaseous delivery media, having a delivery space which on the one side is delimited by a pump head and on the other side by a delivery element, particularly formed by a diaphragm (6
10/31/2006
7100890Swabbable luer-activated valve
A normally closed valve that may be opened upon insertion of a nozzle permits two-way flow when opened by a luer-taper nozzle. The valve also is able to resist large back pressures. The valve includes a substantially rigid housing that defines a passageway having an...
09/05/2006
7087130Method for manufacturing a sealable bag having an integrated zipper for use in vacuum packaging
A method for manufacturing a bag for use in vacuum packaging comprises forming a first panel having a receiving feature and a second panel having an insertion feature, such that the insertion feature can be removably connected with the receiving feature, thereby for...
08/08/2006
7082967Modular umbrella valve
An umbrella valve includes an elastic cap, and an elastic stem formed integrally with the cap, having a center hollow portion, having an enlarged hollow portion proximate the cap, and having a bottom. The valve has a needle having an enlarged head at a proximal end ...
08/01/2006
7074443Vented can overcap
Packaging for a can containing ground roasted coffee packed under atmospheric pressure and having a flexible peel-off lid which is vented to allow the escape of a buildup of carbon dioxide gases. A spacing structure prevents the vent valve in the lid from being clos...
07/11/2006
7063520Suction valve assembly of reciprocating compressor
In a reciprocating compressor including a piston slide-inserted into the compression space of the cylinder, having a gas path therein, inducing a fluid into the compression space through the gas path and varying a volume of the compression space while performing a l...
06/20/2006
7059499Fluid-dispensing pump and container provided therewith
The fluid-dispensing pump 1 has an extendable/retractable member 10, an inflow valve mechanism 14 connected to the lower end of the extendable/retractable member 10, and an outflow valve mechanism 15 connected to the upper part of ...
06/13/2006
7048136Canister lid with improved evacuation and vent assembly
A canister lid includes a cover member adapted to cover a canister, thereby defining an interior of the canister. An evacuation valve is adapted to allow evacuation of the interior of the container. A vacuum release valve is adapted to allow venting of the interior ...
05/23/2006
7044164Flap-type vehicle cabin exhauster
A pressure relief valve (10) includes a housing (20) defining an air flow passage (34). A flap (90) overlies the air flow passage (34). At least a portion (92, 94) of the flap (90) is movable, in response to an air pr...
05/16/2006
7040876Valves for a diaphragm pump
A pump which has a diaphragm main body integrally connected at a planar portion to a diaphragm portion forming a pump chamber and performs a pumping action by reciprocating a driving portion disposed integrally with the diaphragm portion; the pump being configured c...
05/09/2006
7014169Anti-drawback medical valve
A medical valve has a translating member that enlarges the volume of the interior of the valve when the valve is in an open mode (permitting fluid flow), and decreases the volume of the interior when the valve is in a closed mode (preventing fluid flow). This varyin...
03/21/2006
7007715Pressure release valve
A shaft part is coaxially provided within a pressure release port provided in a sealing plate sealed to an opening portion of a case for a condenser or a battery, a valve body closely fitted and fixed within the pressure release port has a seal lip which is directed...
03/07/2006
6994087Esophageal intubation detection system
An endotracheal tube bulb aspirator system has a bulb with a top end, a bottom end with an open bottom, and a transition zone therebetween. A first interior space in the top end is contiguous with a second interior space in the bottom end. At least one first flapper...
02/07/2006
6990994Valve for inflatable article
A valve is provided that includes a body portion defining a conduit and a control element coupled to the body portion and configured to selectively engage the body portion adjacent the conduit. The control element is configured to be axially repositioned based on ax...
01/31/2006
6988949Constant velocity joint vent valve
A vent valve for use in a constant velocity joint having a vent aperture in communication with a joint chamber comprises a body having a first end and a second end and at least one flat extending therebetween; and an umbrella shaped flexible retention cap disposed a...
01/24/2006
6986360Valve for inflatable objects
A self-sealing valve comprises a valve housing having a fluid conduit, a valve seat, a flexible diaphragm and a support member. The valve housing is configured to pass fluid through the fluid conduit. The flexible diaphragm provides a self-seal of the fluid conduit,...
01/17/2006
6964798Multi-layered polymer based thin film structure for medical grade products
A multiple layer structure comprising a first and a second skin layer, each skin layer composed of a polypropylene containing polymer, and a radio frequency (“RF”) susceptible layer adhered to and between the first and second skin layers. The RF layer has a firs...
11/15/2005
6962158Hair dye applicator
A dye applicator that has an elongated container that doubles as a handle and a comb assembly with an internal longitudinal cavity along its spine. The container is removably connected to the comb assembly to permit the dye to pass through the cavity and to the long...
11/08/2005
6945889Hydraulic chain tensioner
The present invention comprises a hydraulic tensioner for applying tension to a chain without external fluid pressure supply. The hydraulic tensioner includes a piston assembly comprising a piston with a hollow interior and a piston bore surrounding the piston. An e...
09/20/2005
6929029Faucet for preventing cold water from flowing to hot water tube
A water control valve of a faucet comprises a water control body; a water-stop ring having a water outlet slot; a water guiding disk having a round shape; a lateral surface of the water guiding disk being formed with a protrusion for resisting against a lower annula...
08/16/2005
6907904Fluid delivery system and mounting panel therefor
A novel fluid delivery system includes a mounting panel, where the mounting panel includes channels that define the flow of fluid between any flow-control components mounted on the mounting panel. The mounting panel comprises a top plate and a bottom plate, and the ...
06/21/2005
6889707Pressure actuated shut-off valve with membrane
An ON/OFF valve (1,1′,1″) that has an outer body (3) defining a fluid flow cavity (2) divided by an intermediate surface (8, 21) into a first and a second chamber (2a, 2b) communicating with each other via ...
05/10/2005
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