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Class Information
Number: 137/885
Name: Fluid handling > Systems > With flow control means for branched passages > With fluid actuator
Description: System in which a fluent material flow regulating means is actuated, at least in part, by a fluid pressure motive means.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8667989 Aseptic or sanitary top hat diaphragm valve Mar. 11, 2014
8522824 Aseptic or sanitary diaphragm valve Sep. 3, 2013
8387755 Lubrication system and method of control Mar. 5, 2013
8342208 Multi-protection valve Jan. 1, 2013
8302627 Hydraulic system Nov. 6, 2012
8124218 Microfabricated elastomeric valve and pump systems Feb. 28, 2012
8114276 Personal hemodialysis system Feb. 14, 2012
7845210 Fluid control device for a gas chromatograph Dec. 7, 2010
7743791 Air control module unit for portable pneumatic tool Jun. 29, 2010
7677268 Fluid distribution system for a swimming pool cleaning apparatus Mar. 16, 2010
7637284 Sanitary diaphragm valve Dec. 29, 2009
7318448 Swimming pool cleaning apparatus and parts therefor Jan. 15, 2008
7273072 Valve body for a valve assembly Sep. 25, 2007
7204961 Liquid feed apparatus and automatic analyzing apparatus Apr. 17, 2007
7144616 Microfabricated elastomeric valve and pump systems Dec. 5, 2006
6966341 Compressed air control apparatus for compressed air systems of motor vehicles Nov. 22, 2005
6953047 Cabinet for chemical delivery with solvent purging Oct. 11, 2005
6904938 Locking block Jun. 14, 2005
6883545 Three-way switching valve Apr. 26, 2005
6868866 Compressed air distributing apparatus for compressed air systems of motor vehicles Mar. 22, 2005
6862916 Gas chromatograph sample valve Mar. 8, 2005
6823897 Four-way switching valve Nov. 30, 2004
6817385 Method and apparatus for filling a liquid container and converting liquid phase fluid into a gaseous phase for dispensing to users Nov. 16, 2004
6742544 Injection valve array Jun. 1, 2004
6698454 Valve integrally associated with microfluidic liquid transport assembly Mar. 2, 2004
6453725 Gas chromatograph sample and column-switching valve Sep. 24, 2002
6374860 Integrated valve design for gas chromatograph Apr. 23, 2002
6334464 Dump valve for a high pressure fluid system Jan. 1, 2002
6196248 Fuel flow control system Mar. 6, 2001
6158208 Multiplexed fluid control system with pressure transducer feedback Dec. 12, 2000
6139291 Scroll machine with discharge valve Oct. 31, 2000
6073655 High pressure/vacuum isolation apparatus and method Jun. 13, 2000
6041808 Compressed air control device for a source of compressed air on motor vehicles Mar. 28, 2000
5975160 Emergency discharge control system for storage tank and cargo tank motor vehicle Nov. 2, 1999
5924439 Two-port solenoid valve using valve body for five-port solenoid valve Jul. 20, 1999
5797656 Apparatus for diverting a flow of exhaust from an engine of a truck Aug. 25, 1998
5758683 On/off circuit for a hydraulic system Jun. 2, 1998
5706859 Diaphragm valve Jan. 13, 1998
5660370 Valve with flexible sheet member and two port non-flexing backer member Aug. 26, 1997
5657786 Zero dead-leg gas control apparatus and method Aug. 19, 1997
5558129 Stream selector for process analyzer Sep. 24, 1996
5485975 Slotted cowl inlet lip for introducing high pressure air Jan. 23, 1996
5452747 Sprinkler flow control apparatus and method Sep. 26, 1995
5391353 Metering device with radial arrangement of valves Feb. 21, 1995
5368400 Marking apparatus with cable drive Nov. 29, 1994
5361805 Stream selector for process analyzer Nov. 8, 1994
5320280 Pneumatically controlled spraying system having a diaphragm-operated switch Jun. 14, 1994
5303733 Pressure regulating unit for beverage dispensing system Apr. 19, 1994
5283593 Ink reservoir for ink printer means having a means to prevent unauthorized refilling Feb. 1, 1994
5228622 Spraying system having pressure safety limits Jul. 20, 1993

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