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Class Information
Number: 137/116.3
Name: Fluid handling > Self-proportioning or correlating systems > Self-controlled branched flow systems > Bypass or relief controlled by main line fluid condition > Pressure responsive > With pressure reducing inlet valve
Description: Devices with a correlated fluid pressure responsive regulator or pressure reducing valve controlling the inlet branch.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7334598 |
Pressure regulator adaptable to compressed gas cartridge |
Feb. 26, 2008 |
| 7278402 |
Device for conveying fuel out of a tank and to a combustion engine |
Oct. 9, 2007 |
| 6948519 |
Device for regulating the flow of gas toward user equipment |
Sep. 27, 2005 |
| 6932102 |
Device for regulating the flow rate and/or the pressure of a fluid |
Aug. 23, 2005 |
| 6843266 |
Regulator with erosion resistant seal assemblies |
Jan. 18, 2005 |
| 6770062 |
Automatic high negative pressure relief valve and chest drainage units using same |
Aug. 3, 2004 |
| 6758234 |
Pressure reducing valve |
Jul. 6, 2004 |
| 6694998 |
Micromachined structure usable in pressure regulating microvalve and proportional microvalve |
Feb. 24, 2004 |
| 6595231 |
Device and method for regulating the pressure of a gas stream |
Jul. 22, 2003 |
| 6584999 |
Fluid pressure controller |
Jul. 1, 2003 |
| 6568418 |
Precision regulator |
May. 27, 2003 |
| 6481454 |
Regulator with segmented body |
Nov. 19, 2002 |
| 6244410 |
Starting control to control a hydraulic piston /cylinder unit |
Jun. 12, 2001 |
| 6095177 |
Precontrolled 3-way pressure control valve |
Aug. 1, 2000 |
| 5857479 |
Precontrolled three-way pressure reduction valve |
Jan. 12, 1999 |
| 5705070 |
Micromachined filters |
Jan. 6, 1998 |
| 5522531 |
Safety device for nailing machine |
Jun. 4, 1996 |
| 5499650 |
Fluid control valve for a hydraulic system operating with variable viscosity, contaminated, fluid |
Mar. 19, 1996 |
| 5460198 |
Pressure-activated flow-control valve |
Oct. 24, 1995 |
| 5329841 |
Piston-slide-valve |
Jul. 19, 1994 |
| 5327926 |
Flow regulator |
Jul. 12, 1994 |
| 5259474 |
Steering force control apparatus for power steering system |
Nov. 9, 1993 |
| 5255701 |
Hydraulic pressure regulator |
Oct. 26, 1993 |
| 5247959 |
Multi-function valve |
Sep. 28, 1993 |
| 5188197 |
Central-lubrication assembly |
Feb. 23, 1993 |
| 5188015 |
Automatically sequenced hydraulic cylinder mechanism |
Feb. 23, 1993 |
| 5154203 |
Proportional modulator for an electropneumatic braking system |
Oct. 13, 1992 |
| 4986738 |
Airflow control system pump and housing |
Jan. 22, 1991 |
| 4943032 |
Integrated, microminiature electric to fluidic valve and pressure/flow regulator |
Jul. 24, 1990 |
| 4928723 |
Capacity control valve for a compressor |
May. 29, 1990 |
| 4917140 |
Pressure regulator valve |
Apr. 17, 1990 |
| 4872472 |
Fluid pressure regulating valve |
Oct. 10, 1989 |
| 4838298 |
Hydraulic latch device |
Jun. 13, 1989 |
| 4836089 |
Series spool pressure regulator arrangement for a double-acting hydraulic actuator |
Jun. 6, 1989 |
| 4819695 |
Pressure servo regulator |
Apr. 11, 1989 |
| 4796652 |
Pressure regulator for hydraulically controlled machine tools |
Jan. 10, 1989 |
| 4765385 |
Tire inflation-deflation system |
Aug. 23, 1988 |
| 4747425 |
3-way pressure reducing valve having means for monitoring the secondary pressure |
May. 31, 1988 |
| 4732077 |
Air spring |
Mar. 22, 1988 |
| 4682621 |
Modulator valve |
Jul. 28, 1987 |
| 4667693 |
Pressure-reducing apparatus |
May. 26, 1987 |
| 4657041 |
Oil pressure control apparatus |
Apr. 14, 1987 |
| 4651766 |
Vacuum limiting arrangement |
Mar. 24, 1987 |
| 4633761 |
Air spring |
Jan. 6, 1987 |
| 4624277 |
Pressure regulating and relief valve |
Nov. 25, 1986 |
| 4622815 |
Pressure regulator |
Nov. 18, 1986 |
| 4620561 |
Differential pressure control valve |
Nov. 4, 1986 |
| 4608976 |
Breathing protective apparatus with inhalation and exhalation regulator |
Sep. 2, 1986 |
| 4586533 |
Non-flowing modulating pilot operated relief valve |
May. 6, 1986 |
| 4565209 |
Pressure regulating valve with feedback control |
Jan. 21, 1986 |
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