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Class Information
Number: 137/118.07
Name: Fluid handling > Self-proportioning or correlating systems > Self-controlled branched flow systems > Plural outflows > Pressure responsive > With external control for correlating valve (e.g., manual)
Description: Subject matter wherein, in addition to the pressure responsive sensor, the outflows are controlled by a device independent of the condition of the flow line.










Patents under this class:

Patent Number Title Of Patent Date Issued
8327884 Regulator valve Dec. 11, 2012
8251090 Faucet having a pressure release function Aug. 28, 2012
7117881 Control system Oct. 10, 2006
6629411 Dual displacement motor control Oct. 7, 2003
5836347 Fluid pressure supply system Nov. 17, 1998
5738134 Pressure compensation valve Apr. 14, 1998
5485864 Pressure compensation valve Jan. 23, 1996
5398505 Fluid pressure driving system Mar. 21, 1995
5158104 Pilot-operated spill valve assembly Oct. 27, 1992
5141016 Divertor valve Aug. 25, 1992
5042521 Switching apparatus for suction system in a vacuum pump Aug. 27, 1991
4993447 Pressure-regulating method and apparatus Feb. 19, 1991
4818384 Recirculating sand filter Apr. 4, 1989
4574894 Ball actuable circulating dump valve Mar. 11, 1986
4522221 Timed flow control valve assembly Jun. 11, 1985
4497337 Floor trap primer valve Feb. 5, 1985
4440450 Borehole mining valve actuation Apr. 3, 1984
4403626 Valve assembly Sep. 13, 1983
4306840 Automatic connecting valve for hydraulic systems Dec. 22, 1981
4291612 Power brake system differential air pressure control valve assembly Sep. 29, 1981
4263091 Fluid flow control Apr. 21, 1981
4231441 Flow divider valve assembly Nov. 4, 1980
4215903 Fluid-flow control valves Aug. 5, 1980











 
 
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