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Class Information
Number: 137/625.26
Name: Fluid handling > Systems > Multi-way valve unit > Supply and exhaust > Reciprocating valve > Combined disk or plug and gate or piston
Description: Devices wherein the valve unit comprises a disk or plug for controlling one port and a gate or piston for controlling another port.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8316888 Fluid-biased hydraulic control valve Nov. 27, 2012
8267107 Valve with venting port Sep. 18, 2012
8230881 Valve Jul. 31, 2012
8231818 Pressure control valve assembly Jul. 31, 2012
8220485 Pneumatic pilot valve Jul. 17, 2012
7958908 Flow control valve Jun. 14, 2011
7766040 Pressure control valve assembly Aug. 3, 2010
7730906 Solenoid with path converter Jun. 8, 2010
7647943 Solenoid with control cone Jan. 19, 2010
7497232 Pressure control valve Mar. 3, 2009
7306462 Gas operating system for firearm simulators Dec. 11, 2007
7033166 Valve having mechanism for diverting reverse gas flow Apr. 25, 2006
6986341 Apparatus for detecting fuel-vapor gas leaks, and vent valve apparatus applied to this apparatus Jan. 17, 2006
6957664 Pilot control valve Oct. 25, 2005
6837451 Seat/slide valve with pressure-equalizing pin Jan. 4, 2005
6761183 Back flow preventing adjustable valve apparatus with fluid escape Jul. 13, 2004
6386218 Solenoid operated valve assembly for variable bleed pressure proportional control May. 14, 2002
6375154 Seat and holding valve Apr. 23, 2002
6314982 Link apparatus Nov. 13, 2001
6206038 Multiway valve Mar. 27, 2001
5921281 Hydraulic fluid passage switching valve Jul. 13, 1999
5695120 Spray gun Dec. 9, 1997
5518030 Three-way flow valve with variable drain orifice area May. 21, 1996
5435336 Controlled valve Jul. 25, 1995
5370522 Injection valve for a vacuum wax injection installation Dec. 6, 1994
5335693 Valve Aug. 9, 1994
5129416 Anti-siphon frost-proof water hydrant Jul. 14, 1992
4962791 Seat valve Oct. 16, 1990
4844553 Dash control valve with differential trip Jul. 4, 1989
4842020 Double-solenoid single-stem four-way valve Jun. 27, 1989
4840198 Control valve Jun. 20, 1989
4832081 Control valve May. 23, 1989
4823842 Single-stem four-way valve Apr. 25, 1989
4821774 Solenoid operated valve with balancing means Apr. 18, 1989
4750521 Multiple connection valve Jun. 14, 1988
4739613 Bi-propellant blade valve assembly Apr. 26, 1988
4711266 Valve arrangement Dec. 8, 1987
4691737 Brake control valve Sep. 8, 1987
4644969 Water control valve with pneumatic actuator Feb. 24, 1987
4619435 Control valve apparatus for pneumatic tools Oct. 28, 1986
4598736 Solenoid operated valve with balancing means Jul. 8, 1986
4495967 Fluid injectors Jan. 29, 1985
4491154 Double acting pilot valve Jan. 1, 1985
4475570 Anti-syphon freezeless water hydrant Oct. 9, 1984
4416416 Two-port thermally responsive valve Nov. 22, 1983
4360036 Thermostatic self-powered drain valve Nov. 23, 1982
4307707 Control valve for solar heating systems Dec. 29, 1981
4209040 Seal means for high pressure control valves Jun. 24, 1980
4165035 Thermally actuated valve for plural fluid sources Aug. 21, 1979
4114645 Directional valves with thermo-electric operators Sep. 19, 1978

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