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Class Information
Number: 137/601.13
Name: Fluid handling > Systems > Dividing into parallel flow paths with recombining > Fluid actuated or retarded
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
8281865 Tubular valve system and method Oct. 9, 2012
8251089 Relief system for process fluids under pressure Aug. 28, 2012
8215338 Method for controlling the progression of a fluid in a microfluidic component Jul. 10, 2012
7793680 Electromechanical regulator with primary and backup modes of operation for regulating passenger oxygen Sep. 14, 2010
7604019 Electromechanical regulator with primary and backup modes of operation for regulating passenger oxygen Oct. 20, 2009
7506662 One-way fluid valve Mar. 24, 2009
7163025 Vacuum regulating valve Jan. 16, 2007
7089958 Damper vane Aug. 15, 2006
7048003 Polyvalve May. 23, 2006
6962165 Automatically-actuated safety device with a double-seated valve to regulate the flow rate of a fluid Nov. 8, 2005
6920890 Airflow controller Jul. 26, 2005
6868861 Level control system for sheet casting process Mar. 22, 2005
6817378 Fluid flow control damper assembly Nov. 16, 2004
6702013 Multiport gate valve assembly for flow completion system Mar. 9, 2004
6672334 Multi-diaphragm valve Jan. 6, 2004
6668848 Pneumatic volume booster for valve positioner Dec. 30, 2003
6591869 Multiport gate valve assembly Jul. 15, 2003
6557819 Roll seal control valve May. 6, 2003
6534003 Valve and a method of using a valve Mar. 18, 2003
6520205 Compressor unloader system Feb. 18, 2003
6514049 Compressor control valve with two independently operated check valves, wherein the crank chamber pressure is the control pressure, and the monitor pressure is the suction pressure Feb. 4, 2003
6453944 Multiport gate valve assembly Sep. 24, 2002
6276658 Roll seal control valve Aug. 21, 2001
5597011 Flow regulator Jan. 28, 1997
5488967 Method and apparatus for feeding gas into a chamber Feb. 6, 1996
5301714 Multi-position valve apparatus having a return port Apr. 12, 1994
5172722 Stop valve for a vacuum apparatus Dec. 22, 1992
5097747 Pilot adjuster-connector for adjusting the speed of pneumatic pressure cylinders Mar. 24, 1992
5090393 Pressure regulating valve for installation in a vent duct of an internal combustion engine Feb. 25, 1992
4967793 Compact multi-stage pressure reducing valve Nov. 6, 1990
4936032 Safety valve for hydraulic receiver and hydraulic circuit comprising same Jun. 26, 1990
4836245 Control valve Jun. 6, 1989
4830050 Fluid control valve May. 16, 1989
4816083 Multifunctional electromagnetic valve assembly Mar. 28, 1989
4681297 Adjustable pressure regulating solenoid valve Jul. 21, 1987
4655240 Hydraulic volumetric proportioning valve Apr. 7, 1987
4622999 Gas flow control system with pilot gas booster Nov. 18, 1986
4519574 Auxiliary controlled valve disposed in a drilling string May. 28, 1985
4503887 Pilot-operated dual flow rate valve Mar. 12, 1985
4304259 Plant circuit having change-over means for changing sequence of flow Dec. 8, 1981
4262695 Flow rate control valve Apr. 21, 1981
4199006 Pneumatic valve Apr. 22, 1980
4192346 Control valve Mar. 11, 1980
4148518 Sprung seat for all vehicles Apr. 10, 1979
4143672 Anti-pollution valve for use with shipboard storage tanks Mar. 13, 1979
4124066 Radiator shutter for arctic vehicles Nov. 7, 1978
4063785 Fail safe bypass for a skid control system Dec. 20, 1977
4041979 Control valve having independently driven valves Aug. 16, 1977
3957080 Priming valve for liquid fuel supply system May. 18, 1976











 
 
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