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Class Information
Number: 137/539.5
Name: Fluid handling > Line condition change responsive valves > Direct response valves (i.e., check valve type) > Reciprocating valves > Spring biased > Ball valves > With follower
Description: Valves wherein a follower (e.g., reciprocating rod) is interposed between the spring and the ball.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7311118 |
Floating ball check valve |
Dec. 25, 2007 |
| 7147002 |
Modular multi-function fluid flow control device |
Dec. 12, 2006 |
| 7051857 |
Coupling device and improved method of controlling torque transmission |
May. 30, 2006 |
| 6968858 |
Check valve |
Nov. 29, 2005 |
| 6953054 |
Relief valve |
Oct. 11, 2005 |
| 6910745 |
Check valve with vibration prevention function |
Jun. 28, 2005 |
| 6892758 |
Check valve with vibration prevention function for valve body |
May. 17, 2005 |
| 6851449 |
Spring-loaded oil overflow valve for diaphragm compressors |
Feb. 8, 2005 |
| 6837266 |
Remotely actuated multiple pressure direct acting relief valve |
Jan. 4, 2005 |
| 6692396 |
Solenoid actuated variable pressure relief valve assembly for limited slip differential assembly |
Feb. 17, 2004 |
| 6675823 |
Relief valve |
Jan. 13, 2004 |
| 6662824 |
Check valve slantedly biased against pressure-imposing direction |
Dec. 16, 2003 |
| 6622752 |
Pressure relief valve |
Sep. 23, 2003 |
| 6439263 |
Pressure regulating valve and method for producing a pressure regulating valve |
Aug. 27, 2002 |
| 6332761 |
Radial piston pump for high pressure fuel delivery |
Dec. 25, 2001 |
| 6250336 |
Water supply coupling with one-way valve for recreational vehicles |
Jun. 26, 2001 |
| 6206032 |
High pressure check valve fittings |
Mar. 27, 2001 |
| 5992452 |
Ball and seat valve assembly and downhole pump utilizing the valve assembly |
Nov. 30, 1999 |
| 5980224 |
Fuel injection pump |
Nov. 9, 1999 |
| 5775360 |
Pressure control valve |
Jul. 7, 1998 |
| 5692812 |
Brake regulator with double valve |
Dec. 2, 1997 |
| 5626325 |
High pressure control valve for a fuel injection system |
May. 6, 1997 |
| 5609477 |
Inlet/outlet valve arrangement for a fluid pressure intensifying apparatus |
Mar. 11, 1997 |
| 5595213 |
Quick connector with check valve |
Jan. 21, 1997 |
| 5503542 |
Compressor assembly with welded IPR valve |
Apr. 2, 1996 |
| 5431183 |
Flow regulator valve |
Jul. 11, 1995 |
| 5412948 |
Hydrostatic continuously variable transmission |
May. 9, 1995 |
| 5353834 |
Check valve |
Oct. 11, 1994 |
| 5293897 |
Pressure valve |
Mar. 15, 1994 |
| 5251664 |
Quiet check valve for pulsating flow |
Oct. 12, 1993 |
| 5190362 |
Pressure limiting valve with uncoupled valve closing body and tappet |
Mar. 2, 1993 |
| 5181768 |
Pressure switch valve, for hydraulic vehicle brake systems with traction control (ASR) |
Jan. 26, 1993 |
| 5170818 |
Safety valve |
Dec. 15, 1992 |
| 5141025 |
Check valve |
Aug. 25, 1992 |
| 5035261 |
Pump and valve apparatus |
Jul. 30, 1991 |
| 4932434 |
Adjustable safety relief valve |
Jun. 12, 1990 |
| 4930553 |
Pressure relief valve |
Jun. 5, 1990 |
| 4905729 |
Constant pressure type delivery valve for fuel injection pump |
Mar. 6, 1990 |
| 4895499 |
Outlet valve assembly for paint sprayer |
Jan. 23, 1990 |
| 4893650 |
One way high pressure flow control fittings |
Jan. 16, 1990 |
| 4852605 |
Valve operating without friction |
Aug. 1, 1989 |
| 4741352 |
Adhesive for high temperature thread locking in hydraulic system |
May. 3, 1988 |
| 4736083 |
Microwave heating digestion vessel |
Apr. 5, 1988 |
| 4722359 |
Valve arrangement for high pressure pumps |
Feb. 2, 1988 |
| 4706705 |
Check valve |
Nov. 17, 1987 |
| 4692102 |
Fuel injection pump for internal combustion engines |
Sep. 8, 1987 |
| 4632146 |
Relief valve |
Dec. 30, 1986 |
| 4622989 |
Check valve retainer |
Nov. 18, 1986 |
| 4613738 |
Microwave heating digestion vessel |
Sep. 23, 1986 |
| 4541412 |
Check valve and spring to prevent forward and reverse thermosiphoning in solar collector systems |
Sep. 17, 1985 |
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