Class 251/336 - BIASED VALVE

Subclass of Class 251 - Valves and valve actuation
Definition: Subject matter wherein the valve has one position which
No. of patents: 19
Last issue date: 05/02/2006

Number	Title	Issue Date
7037303	Urinary flow control valve A flow control valve (22) such as for a catheter (10) allows discharge of urine from a bladder (12) by manual actuation. The valve (22) may be a double-duckbill valve (22) with a single slit (62) at one apex (60a	05/02/2006
6957703	Closure mechanism with integrated actuator for subsurface valves A subsurface safety valve has a closure sleeve or rod mounted below the closure mechanism. Control signal pushes the sleeve up (uphole) or down (downhole), whichever is applicable, which causes the closure element to rotate (or slide, or otherwise translate) to its ...	10/25/2005
6929245	Stem to sleeve connection for pivot actuated sleeve valve A valve assembly has a valve body and a fluid passage through the valve body with an inlet end and an outlet end. A valve seat is defined within the fluid passage. A sleeve is axially slidable within the fluid passage and has an upstream end, a downstream end, and a...	08/16/2005
6902704	Injection pump assembly for a combinatorial reactor and related method An injection pump assembly 10 in a chemical delivery system for simultaneously delivering reagents into a combinatorial reactor system having multiple injectors. The assembly 10 has a plurality of injectors 12, each injector 12 being in f...	06/07/2005
6802295	Air intake shutoff device with connecting linkage An air intake shutoff device is disclosed for an engine. The device includes at least two air shutoff valve assemblies. Each of these assemblies has a gate for controlling air flow into the engine. A linkage couples together the gates of each of the air shutoff valv...	10/12/2004
6739577	Fluid coupling system A fluid coupling system is provided including a fluid coupling having a cooperative key coding system and latching mechanism, a valve biasing mechanism with corrosion resistance, and other advantageous features. The key coding system permits interconnection of only ...	05/25/2004
6499719	Fluid coupling system A fluid coupling system is provided including a fluid coupling having a cooperative key coding system and latching mechanism, a valve biasing mechanism with corrosion resistance, and other advantageous features. The key coding system permits interconnecti...	12/31/2002
6375158	Fastening device for connecting a valve spring retainer to a valve stem A fastening device for connecting a valve spring retainer to a valve stem has a clamping sleeve, which acts radially on the valve stem and which blocks the valve spring retainer axially against the force of a valve spring on the valve stem, with the valve...	04/23/2002
6279599	Air hose assembly for a portable tire pump and having the dual functions of air inflation and pressure release An air hose assembly for a portable tire pump and having the dual function of air inflation and pressure release, which utilizes the same air hose structure to perform tire inflation and pressure release without the need to remove the air hose during pres...	08/28/2001
6219861	Drain structure for a sink The drain structure includes a valve seat axially secured into a tube drain of a sink or basin, a sleeve disposed in the valve seat and a slider slidably engaged in the sleeve to discharge water from the sink. A double V-shaped slot in a lateral side of t...	04/24/2001
6119723	Apparatus for varying the flow area of a conduit An apparatus (10) for varying the flow area of a conduit (12). The apparatus comprises a flap (14) mounted in said conduit (12) which is off-center pivotally mounted to pivot in response to flow of fluid (F) through said conduit (12). The apparatus (10) a...	09/19/2000
5996551	Spring assembly in an engine air throttle control providing rotational blocking when relaxed A spring assembly in a throttle valve connection for control of combustion air to an internal combustion engine, in which a rotor is movable in opposite directions to control flow of combustion air. The spring assembly has a coil spring with first and sec...	12/07/1999
5913505	Movement-transmission apparatus using a pivoting lever and valve incorporating said apparatus In order to ensure transmission of low amplitude back-and-forth movements between, for example, the non-aligned control member (46) of an actuator (42) and the sealing flap (34) of a valve, a lever (30) mounted on a body (10) by means of a flexible strip ...	06/22/1999
5558117	Pneumatic valve assembly with dynamic annular seal flange A pneumatic valve assembly includes a valve body having an interior outer central passageway and an interior inner central cavity larger in diameter than the outer central passageway, a valve stem disposed within the outer central passageway and extending...	09/24/1996
5358216	Foot-operated valve A foot-operated valve has a valve housing formed with a longitudinal bore which includes a front section and a rear section that has an internal diameter wider than that of the front section to form a shoulder which serves as a valve seat therebetween. Th...	10/25/1994
5215522	Single use medical aspirating device and method A reliable, contamination-resistant, single-use, disposable, medical, non-ventilating, aspirating device and method. The device releasibly connects to and aligns with an indwelling endotracheal tube to accommodate advancing of an aspirating catheter tube ...	06/01/1993
5048489	Hydraulically operated valve with controlled lift A hydraulically operated valve with controlled lift, in particular a fuel/gas injection valve for internal combustion engines, has a stop face fixed on the valve stem. For accurate control of the opening of the valve a stop cam is provided, which is drivn...	09/17/1991
4298038	Technique and device for measuring fluids including finger valve and filler mechanism Technique and apparatus for measuring liquids and granular material comprises a combination including a measuring vessel attached adjacent to the top and communicating with the primary container through the modifying pour spout of the latter. The measurin...	11/03/1981
4084786	Valves Cylindrical valve body with piping attachment ends housing a quick opening and closing rack and gear operated globe type valve, having radially positioned seating with axially guided valve member with a valve rack stem engaged to a gear having a guided sh...	04/18/1978

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Class 251/336 - BIASED VALVE