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Class Information
Number: 251/61.1
Name: Valves and valve actuation > Fluid actuated or retarded > Flexible wall expansible chamber reciprocating valve actuator > Flexible wall valves fluid
Description: Subject matter in which the surface of the flexible wall working member outside the expansible chamber constitutes the movable control member which member is adapted to be moved to engage a valve seat.


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
7607641 Microfluidic valve mechanism Oct. 27, 2009
7571893 Valve with high temperature rating Aug. 11, 2009
7566264 Small duct high velocity damper assembly Jul. 28, 2009
7517376 Reverse pulse cleaning of filter elements Apr. 14, 2009
7429317 Electrokinetic device employing a non-newtonian liquid Sep. 30, 2008
7419132 Bladder valve Sep. 2, 2008
7325565 Backflow valve Feb. 5, 2008
7302959 Low-power wireless inflatable bladder damper for forced air heating, ventilation, and air conditioning systems Dec. 4, 2007
7273072 Valve body for a valve assembly Sep. 25, 2007
7143781 Flexible bladder apparatus for fluid flow control Dec. 5, 2006
7144616 Microfabricated elastomeric valve and pump systems Dec. 5, 2006
7143785 Microfluidic large scale integration Dec. 5, 2006
7114522 Adapter manifold with dual valve block Oct. 3, 2006
7059578 Diaphragm and hydraulically-operated valve using same Jun. 13, 2006
7059348 Drug delivery system Jun. 13, 2006
7048003 Polyvalve May. 23, 2006
7044432 Fluid channel valve for use with a disposable cartridge in extracorporeal circulations May. 16, 2006
7040338 Microfabricated elastomeric valve and pump systems May. 9, 2006
7032876 Fluid valve Apr. 25, 2006
7021333 Reverse flow modifiable combination valve Apr. 4, 2006
7000641 Inflatable stopping bags Feb. 21, 2006
6971634 Flush valve diaphragm orifice insert and rib design Dec. 6, 2005
6959725 Constant pressure regulator Nov. 1, 2005
6959734 Flow-through inflatable plug Nov. 1, 2005
6953058 Microfabricated fluidic circuit elements and applications Oct. 11, 2005
6953047 Cabinet for chemical delivery with solvent purging Oct. 11, 2005
6935608 Method for protecting the diaphragm and extending the life of SiC and/or Si MEMS microvalves Aug. 30, 2005
6935617 Valve assembly for microfluidic devices, and method for opening and closing the same Aug. 30, 2005
6929030 Microfabricated elastomeric valve and pump systems Aug. 16, 2005
6837263 Liquid level control system Jan. 4, 2005
6830229 Two-stage valve suitable as high-flow high-pressure microvalve Dec. 14, 2004
6827637 Waterjet cutting system and method of operation Dec. 7, 2004
6811133 Hydraulically amplified PZT mems actuator Nov. 2, 2004
6796463 Inflatable and collapsible apparatus for dispensing fluid from a fluid vessel Sep. 28, 2004
6789569 Pressure relief valve with a spring-loaded membrane closing body Sep. 14, 2004
6698454 Valve integrally associated with microfluidic liquid transport assembly Mar. 2, 2004
6691786 Inflatable flow control device and method Feb. 17, 2004
6685158 Assembly of solenoid-controlled pilot-operated valve Feb. 3, 2004
6637723 Fluid valve Oct. 28, 2003
6626415 Valve assembly Sep. 30, 2003
6619311 Microfluidic regulating device Sep. 16, 2003
6616120 Hydraulic diaphragm valve, for fluid flow regulation Sep. 9, 2003
6557820 Two-stage valve suitable as high-flow high-pressure microvalve May. 6, 2003
6484329 Bladder-controlled stopper device Nov. 26, 2002
6453725 Gas chromatograph sample and column-switching valve Sep. 24, 2002
6431213 Internally divided water pipe and diverter valve therefor Aug. 13, 2002
6431212 Valve for use in microfluidic structures Aug. 13, 2002
6427255 Remote controlled stopper device Aug. 6, 2002
6415818 Diaphragm-type solenoid valve Jul. 9, 2002
6412751 Extended range diaphragm valve and method for making same Jul. 2, 2002

1 2 3 4 5 6


 
 
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