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Class Information
Number: 137/115.09
Name: Fluid handling > Self-proportioning or correlating systems > Self-controlled branched flow systems > Bypass or relief controlled by main line fluid condition > Flow rate responsive > Choke
Description: Subject matter wherein the sensor includes a device for restricting the flow of the fluid in the main flow line.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6871661 |
Combination fitting |
Mar. 29, 2005 |
| 6799599 |
Valve |
Oct. 5, 2004 |
| 6581623 |
Auto-switching gas delivery system utilizing sub-atmospheric pressure gas supply vessels |
Jun. 24, 2003 |
| 6554027 |
Electromagnetically controlled seat valve |
Apr. 29, 2003 |
| 6328056 |
Proportional bypass valve with dual variable orifice |
Dec. 11, 2001 |
| 6189312 |
Fuel metering arrangement for a gas turbine engine |
Feb. 20, 2001 |
| 5908367 |
Flow rate control valve and continuously variable automatic transmission provided with same |
Jun. 1, 1999 |
| 5887612 |
Hydraulic pump apparatus |
Mar. 30, 1999 |
| 5819778 |
Flow control device of power steering system |
Oct. 13, 1998 |
| 5819777 |
Flow control device |
Oct. 13, 1998 |
| 5706849 |
Flow control valve |
Jan. 13, 1998 |
| 5609178 |
Pressure-actuated valve and method |
Mar. 11, 1997 |
| 5513672 |
Valve assembly |
May. 7, 1996 |
| 5431183 |
Flow regulator valve |
Jul. 11, 1995 |
| 5375620 |
Self-adjusting flow metering device |
Dec. 27, 1994 |
| 5368061 |
Load sensed variable discharge fixed displacement pump control with low unload features |
Nov. 29, 1994 |
| 5333454 |
Flow control valve unit |
Aug. 2, 1994 |
| 5218989 |
Flow control valve |
Jun. 15, 1993 |
| 5170626 |
Hydraulic flow control system for automotive vehicle |
Dec. 15, 1992 |
| 5014734 |
Quick drop valve |
May. 14, 1991 |
| 4921547 |
Proportional priority flow regulator |
May. 1, 1990 |
| 4887632 |
Flow control apparatus |
Dec. 19, 1989 |
| 4738330 |
Hydraulic drive system for use with vehicle power steering pump |
Apr. 19, 1988 |
| 4701111 |
Regulation of vane pumps |
Oct. 20, 1987 |
| 4598730 |
Flow control valve |
Jul. 8, 1986 |
| 4583567 |
Valves |
Apr. 22, 1986 |
| 4549566 |
Flow volume control device for power steering system |
Oct. 29, 1985 |
| 4519417 |
Devices for controlling flow of fluid under pressure |
May. 28, 1985 |
| 4505293 |
Fluid flow control valve |
Mar. 19, 1985 |
| 4495962 |
Fluid control valve |
Jan. 29, 1985 |
| 4396033 |
Flow volume control device for a power assisted steering device |
Aug. 2, 1983 |
| 4365645 |
Three-way flow-regulating valve |
Dec. 28, 1982 |
| 4361166 |
Flow controlling apparatus for power steering, operating fluid |
Nov. 30, 1982 |
| 4356835 |
Hydraulic control valve for selectively supplying fluid to hydraulic services |
Nov. 2, 1982 |
| 4355655 |
Hydraulic control apparatus for load independent flow regulation |
Oct. 26, 1982 |
| 4343324 |
Flow control valve |
Aug. 10, 1982 |
| 4327763 |
Dual control input flow control valve |
May. 4, 1982 |
| 4311161 |
Valve system in power steering systems |
Jan. 19, 1982 |
| 4231386 |
Differential pressure relief valve |
Nov. 4, 1980 |
| 4226558 |
Control system |
Oct. 7, 1980 |
| 4130127 |
Accumulator changing valve |
Dec. 19, 1978 |
| 4073140 |
Connecting valve for reserve pump |
Feb. 14, 1978 |
| 4068678 |
Valve for hydraulic systems |
Jan. 17, 1978 |
| 4056122 |
Fluid component recycling system in a plural component plastics molding machine |
Nov. 1, 1977 |
| 4000856 |
Fog/spray system and apparatus |
Jan. 4, 1977 |
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