| |
 |
|
Class Information
Number: 137/514
Name: Fluid handling > Line condition change responsive valves > Direct response valves (i.e., check valve type) > With retarder or dashpot
Description: Valves provided with a dashpot or other retarding means to prevent or reduce chattering or hunting of the valve.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 8544493 |
Water hammer proof and silent check valve |
Oct. 1, 2013 |
| 8459298 |
Check valve for drain pipes |
Jun. 11, 2013 |
| 8443833 |
Check valve |
May. 21, 2013 |
| 8256741 |
Pneumatic pressure regulating valve |
Sep. 4, 2012 |
| 8240330 |
Squeeze film damper valve for compressor cylinders |
Aug. 14, 2012 |
| 8225811 |
Apparatus for the removal of moisture from a compressed air tank |
Jul. 24, 2012 |
| 8152133 |
Pneumatic pressure regulating valve |
Apr. 10, 2012 |
| 8096587 |
Vacuum brake booster housing and non-rotatable connecting element |
Jan. 17, 2012 |
| 7950621 |
Pneumatic pressure regulation valve |
May. 31, 2011 |
| 7540301 |
Compressor valve |
Jun. 2, 2009 |
| 7493913 |
Swimming pool vacuum relief safety valve |
Feb. 24, 2009 |
| 7455070 |
Swimming pool vacuum relief safety valve |
Nov. 25, 2008 |
| 7445017 |
Mesovalve modulator |
Nov. 4, 2008 |
| 7422029 |
Linear damper for check valve |
Sep. 9, 2008 |
| 7395790 |
Reed valve breather for evolution engine |
Jul. 8, 2008 |
| 7367134 |
Dishwasher vent assembly |
May. 6, 2008 |
| 7350539 |
Electromagnetic controlled fuel injection apparatus with poppet valve |
Apr. 1, 2008 |
| 7350538 |
Method of preventing inadvertent inflation of an inflatable prosthesis |
Apr. 1, 2008 |
| 7331361 |
Pressure relief valve with direct hydraulic damping |
Feb. 19, 2008 |
| 7320336 |
Plug incorporating pressure-sensitive valve |
Jan. 22, 2008 |
| 7302961 |
Surge relief valve |
Dec. 4, 2007 |
| 7249611 |
Check valve |
Jul. 31, 2007 |
| 7246635 |
Automatic flow rate control valve |
Jul. 24, 2007 |
| 7228869 |
Pressure limiting valve |
Jun. 12, 2007 |
| 7168446 |
High impact discharge valve |
Jan. 30, 2007 |
| 7159613 |
Pressure limiting valve in a hydraulic machine having a pressure limiting valve |
Jan. 9, 2007 |
| 7152622 |
Check valve |
Dec. 26, 2006 |
| 7111638 |
Excess flow shutoff |
Sep. 26, 2006 |
| 7063520 |
Suction valve assembly of reciprocating compressor |
Jun. 20, 2006 |
| 6983762 |
Pressure regulator for a fuel supply system of an internal combustion engine |
Jan. 10, 2006 |
| 6959726 |
Valve assembly for attenuating bounce of hydraulically driven members of a machine |
Nov. 1, 2005 |
| 6953051 |
Valve plate structure |
Oct. 11, 2005 |
| 6899113 |
Pressure relief valve |
May. 31, 2005 |
| 6848893 |
Compressor check valve |
Feb. 1, 2005 |
| 6766823 |
Valve apparatus for hermetic compressor |
Jul. 27, 2004 |
| 6585000 |
Pressure relief valve |
Jul. 1, 2003 |
| 6470909 |
Hydraulic system |
Oct. 29, 2002 |
| 6401749 |
Asymmetrically loaded check valve |
Jun. 11, 2002 |
| 6394770 |
Piston pump |
May. 28, 2002 |
| 6390121 |
Check valve controlled by differential pressure |
May. 21, 2002 |
| 6379133 |
Scroll compressor with reduced stiction surface for check valve |
Apr. 30, 2002 |
| 6345641 |
Fluid-activatable device for shut-off under excess flow conditions |
Feb. 12, 2002 |
| 6314990 |
Pressure valve for a compressor |
Nov. 13, 2001 |
| 6267135 |
ABS modulator with damping foam on exhaust diaphragm |
Jul. 31, 2001 |
| 6168418 |
Ignition system with delay switch for a gas appliance |
Jan. 2, 2001 |
| 6142176 |
Relief valve |
Nov. 7, 2000 |
| 5775886 |
Gas compressor with reciprocating piston with valve sheath |
Jul. 7, 1998 |
| 5769116 |
Composite action type water-hammer-preventive check valve |
Jun. 23, 1998 |
| 5746246 |
Water hammer preventing check valve |
May. 5, 1998 |
| 5685333 |
Check valve with hydraulic damping system |
Nov. 11, 1997 |
|
|
|
