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Class Information
Number: 137/863
Name: Fluid handling > Systems > With flow control means for branched passages > With common valve operator > For valve having a flexible diaphragm valving member
Description: Systems in which at least one flow control means comprises a pliant member which flexes relative to a rigid surface to control flow therebetween.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8580013 Air dryer cartridge and method for operating an air dryer cartridge Nov. 12, 2013
8550298 Microfluidic dispensing assembly Oct. 8, 2013
8124218 Microfabricated elastomeric valve and pump systems Feb. 28, 2012
8096784 Bi-directional continuous peristaltic micro-pump Jan. 17, 2012
7845210 Fluid control device for a gas chromatograph Dec. 7, 2010
7790118 Microfluidic devices and related methods and systems Sep. 7, 2010
7771888 Anode air purge valve design Aug. 10, 2010
7445926 Fluid control structures in microfluidic devices Nov. 4, 2008
7144616 Microfabricated elastomeric valve and pump systems Dec. 5, 2006
6783736 Cartridge for analyzing a fluid sample Aug. 31, 2004
6668848 Pneumatic volume booster for valve positioner Dec. 30, 2003
6612335 3-Way control valve Sep. 2, 2003
6505814 Fluid controller Jan. 14, 2003
6453725 Gas chromatograph sample and column-switching valve Sep. 24, 2002
6431213 Internally divided water pipe and diverter valve therefor Aug. 13, 2002
6289933 Diaphragm valve Sep. 18, 2001
6267146 Piezoelectric valve Jul. 31, 2001
6220299 Two-way valve Apr. 24, 2001
6116281 Control devices Sep. 12, 2000
6082398 Device for regulating the flow of gases having substantially different molar masses Jul. 4, 2000
5937886 Method and device for delivering a pure gas charged with a predetermined quantity of at least one gaseous impurity to an apparatus Aug. 17, 1999
5794641 Valve control Aug. 18, 1998
5653422 Solenoid valve Aug. 5, 1997
5645538 Needleless valve for use in intravenous infusion Jul. 8, 1997
5623965 Low effort vacuum valve assembly with rotary actuator Apr. 29, 1997
5460202 Three-way piezoelectric valve Oct. 24, 1995
5335696 Three-way weir style valve Aug. 9, 1994
5327937 Branched valve Jul. 12, 1994
5281049 Air direction control means for vehicle climate control means Jan. 25, 1994
5246204 Sampling valve Sep. 21, 1993
5222523 Valve for controlling connection to branch passage Jun. 29, 1993
5207149 Apparatus for the preparation of hot drinks May. 4, 1993
5113906 Multiple rotary control valve for use with a sterilizing apparatus May. 19, 1992
5095931 Method and apparatus for opening and closing multi-way valve Mar. 17, 1992
5082025 Antegrade-retrograde switch and occluder and system for using the same Jan. 21, 1992
5035259 Fluid flow control valve Jul. 30, 1991
4977929 Weir valve sampling/injection port Dec. 18, 1990
4930401 Valve system and arrangement for on-line valve replacement Jun. 5, 1990
4903694 Ventilating apparatus for a protective suit Feb. 27, 1990
4869282 Micromachined valve with polyimide film diaphragm Sep. 26, 1989
4852551 Contamination-free endoscope valves for use with a disposable endoscope sheath Aug. 1, 1989
4795130 Piston biasing means Jan. 3, 1989
4696195 Valve device Sep. 29, 1987
4681140 Tub-shower diverter apparatus Jul. 21, 1987
4575007 Mixing control for water and cleaning fluid Mar. 11, 1986
4570859 Foam dispenser for glass mat substrate Feb. 18, 1986
4524802 Pinch valve Jun. 25, 1985
4513945 Electromagnetic reed valve Apr. 30, 1985
4491156 Multiple way pinch valve Jan. 1, 1985
4484599 Pinch-type pressure- or flow-regulating valve Nov. 27, 1984

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