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Class Information
Number: 137/599.16
Name: Fluid handling > Systems > Dividing into parallel flow paths with recombining > Second valve assembly carried by first valve head
Description:










Sub-classes under this class:

Class Number Class Name Patents
137/599.18 Carried valve is direct response valve (e.g., check valve, etc.) 48
137/599.17 With rotary plug having variable restrictor 14


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8496021 Overpressure valve for an aircraft Jul. 30, 2013
8485217 Plug valve for gas stove Jul. 16, 2013
8439064 Safety valve for a compressed gas reservior May. 14, 2013
8302630 Gate valve with equalizer port Nov. 6, 2012
8281780 Regulation valve Oct. 9, 2012
7575020 Multi stage pressure regulator Aug. 18, 2009
7455076 Apparatus and method for controlling exhaust pressure in semiconductor manufacturing Nov. 25, 2008
7383860 Flow control valve with two stage pintel and concentric valve seats Jun. 10, 2008
6962167 Choke valve Nov. 8, 2005
6886579 Vent cap May. 3, 2005
6843264 Multi-phase pressure control valve for process chamber Jan. 18, 2005
6745794 Flow control valve Jun. 8, 2004
6523568 Combination air vent/probe port and method of constructing same Feb. 25, 2003
6504699 Method and device for driving a solenoid valve Jan. 7, 2003
6032692 Electromagnetic valve, in particular for hydraulic motor vehicle braking systems with wheel slip regulation Mar. 7, 2000
6016834 Propane vehicle tank and shut-off valve Jan. 25, 2000
5975654 Valve unit, in particular for hydraulic brake systems with antilock and/or wheel-slip control Nov. 2, 1999
5931192 External unified integral bleed system for valves Aug. 3, 1999
5911239 Metering valve Jun. 15, 1999
5871031 Removable three position valve Feb. 16, 1999
5848608 Vacuum-pressure-control slow exhaust valve Dec. 15, 1998
5823226 Automatic variable-demand flow regulator Oct. 20, 1998
5673980 Solenoid valve with pressure limitation for controlled-slip motor vehicle brake systems Oct. 7, 1997
5626030 Refrigerant flow amount control valve and refrigerating apparatus therewith May. 6, 1997
5618086 Brake system modulator with two-stage valve Apr. 8, 1997
5526980 Condensate traps Jun. 18, 1996
5515879 Load sensed multi-purpose pressure control valve May. 14, 1996
5368061 Load sensed variable discharge fixed displacement pump control with low unload features Nov. 29, 1994
5323810 Sullage diversion valve Jun. 28, 1994
5312048 Regulating nozzle with adjustable effective area baffle May. 17, 1994
5301714 Multi-position valve apparatus having a return port Apr. 12, 1994
5172722 Stop valve for a vacuum apparatus Dec. 22, 1992
5129490 Device for damping courses of motion between two suspension points Jul. 14, 1992
5121947 Expansion sealing device Jun. 16, 1992
5116028 Pressure tube-piston device May. 26, 1992
5113910 Butterfly valve with biased area reduction means May. 19, 1992
5095943 Flow path switching apparatus in steam trap Mar. 17, 1992
5090393 Pressure regulating valve for installation in a vent duct of an internal combustion engine Feb. 25, 1992
5065786 Flow control valve Nov. 19, 1991
5063960 Safety cartridge for compressed or liquefied gas Nov. 12, 1991
5052433 Starter connection for progressive pressurizing of pneumatic installations Oct. 1, 1991
5048396 Bypass valve Sep. 17, 1991
5042448 Idle air bypass Aug. 27, 1991
4962783 Butterfly valve apparatus and method Oct. 16, 1990
4926908 Pressure relief and vacuum vent valve May. 22, 1990
4925252 Automobile brake system May. 15, 1990
4915131 Hill-holder Apr. 10, 1990
4909211 Barrel-type throttle valve for engine air intake Mar. 20, 1990
4854429 Variable rate shock absorber and system therefor Aug. 8, 1989
4830050 Fluid control valve May. 16, 1989

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