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Class Information
Number: 137/625.45
Name: Fluid handling > Systems > Multi-way valve unit > Pivoted valve unit > Gate
Description: Devices in which the valve moves transversely of the controlled flow passages.










Patents under this class:

Patent Number Title Of Patent Date Issued
8479714 Valve with bypass duct incorporating a heating member and combustion engine intake circuit with preheating of the air Jul. 9, 2013
8439073 Gate valve May. 14, 2013
7617678 Exhaust throttle-EGR valve module for a diesel engine Nov. 17, 2009
6499508 Inside/outside air switching device with rotary door Dec. 31, 2002
5950677 Pressure equalization valve Sep. 14, 1999
5857490 Structure of a pump valve for concrete mixture pumping trucks Jan. 12, 1999
5746247 Slide valve for a twin-cylinder pump for viscous fluids May. 5, 1998
5711348 Hot gas control valve Jan. 27, 1998
5603356 Fluid flow control valves Feb. 18, 1997
5499650 Fluid control valve for a hydraulic system operating with variable viscosity, contaminated, fluid Mar. 19, 1996
5286053 Apparatus for preventing undesired ignition of a pyrotechnic transmission line Feb. 15, 1994
4996850 Air conditioner with exhaust feature Mar. 5, 1991
4893656 Diverter valve Jan. 16, 1990
4715405 Solenoid valve, particularly for apparatus for removing a milking set Dec. 29, 1987
4705073 Molded plastic gate valve and sealing means therefor Nov. 10, 1987
4681022 Two-cylinder viscous liquid pump with pipe switch Jul. 21, 1987
4653990 Positive double-piston displacement pump conveying pasteous material Mar. 31, 1987
4621621 Vacuum valve system Nov. 11, 1986
4617952 Switching valve and an electro-pneumatic pressure converter utilizing the same Oct. 21, 1986
4469135 Air entrained particulate material valve Sep. 4, 1984
4296676 Control mechanism Oct. 27, 1981
4192349 Air conditioning valve Mar. 11, 1980
4046061 Four-way clevis valve and method Sep. 6, 1977
4019535 Material selector system Apr. 26, 1977











 
 
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