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Class Information
Number: 251/64
Name: Valves and valve actuation > With non-fluid retarder
Description: Subject matter in which the actuator includes means, other than one utilizing a fluid, for retarding the motion of valve actuation.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7568498 |
Engineered composite quiet check valve |
Aug. 4, 2009 |
| 7510165 |
HVAC door decelerator system with reduced noise |
Mar. 31, 2009 |
| 7493913 |
Swimming pool vacuum relief safety valve |
Feb. 24, 2009 |
| 7472717 |
Float Valve |
Jan. 6, 2009 |
| 7464912 |
Method for obtaining a fuel injector for an internal-combustion engine, and an injector made according to said method |
Dec. 16, 2008 |
| 7422193 |
Solenoid valve |
Sep. 9, 2008 |
| 7392972 |
Ceramic valve structure with slow-descending device |
Jul. 1, 2008 |
| 7354027 |
Bounce-free magnet actuator for injection valves |
Apr. 8, 2008 |
| 7350539 |
Electromagnetic controlled fuel injection apparatus with poppet valve |
Apr. 1, 2008 |
| 7302961 |
Surge relief valve |
Dec. 4, 2007 |
| 7284978 |
Brake for molding machine valve |
Oct. 23, 2007 |
| 7168446 |
High impact discharge valve |
Jan. 30, 2007 |
| 7159840 |
Solenoid having reduced operating noise |
Jan. 9, 2007 |
| 7147202 |
Tank vent valve |
Dec. 12, 2006 |
| 7055539 |
Electromagnetic valve control device and method |
Jun. 6, 2006 |
| 7028702 |
Automatic water pressure control valve balancing temperature of mixed water |
Apr. 18, 2006 |
| 6971861 |
High speed unloader for gas compressor |
Dec. 6, 2005 |
| 6955337 |
Pneumatic module |
Oct. 18, 2005 |
| 6951330 |
Valve with damping element |
Oct. 4, 2005 |
| 6935612 |
Solenoid valve |
Aug. 30, 2005 |
| 6913242 |
Solenoid plunger system with an impact damping mechanism |
Jul. 5, 2005 |
| 6830232 |
Evaporative solenoid control valve with enhanced durability features |
Dec. 14, 2004 |
| 6830231 |
Electromagnetically actuated valve |
Dec. 14, 2004 |
| 6827328 |
Oil control valve |
Dec. 7, 2004 |
| 6766823 |
Valve apparatus for hermetic compressor |
Jul. 27, 2004 |
| 6748971 |
Discharge valve assembly of fluid machinery |
Jun. 15, 2004 |
| 6701961 |
Reed valve |
Mar. 9, 2004 |
| 6702188 |
Expansion valve |
Mar. 9, 2004 |
| 6698446 |
Check valve |
Mar. 2, 2004 |
| 6651951 |
Magnetic valve |
Nov. 25, 2003 |
| 6629544 |
Gas pressure-reducing valve |
Oct. 7, 2003 |
| 6619322 |
Fast-acting valve |
Sep. 16, 2003 |
| 6612539 |
Fuel injection valve |
Sep. 2, 2003 |
| 6595485 |
Solenoid valve with cushion between plunger and plunger stop |
Jul. 22, 2003 |
| 6592095 |
Electromagnetic valve motion control |
Jul. 15, 2003 |
| 6572075 |
Valve for controlling flow rate of gas |
Jun. 3, 2003 |
| 6554022 |
Regulator with improved seat |
Apr. 29, 2003 |
| 6517044 |
Soft-landing plunger for use in a control valve |
Feb. 11, 2003 |
| 6431205 |
Damper for diaphragm-operated pressure regulating valves |
Aug. 13, 2002 |
| 6422531 |
ECP manifold valve inserts |
Jul. 23, 2002 |
| 6416034 |
ECP manifold vent valve insert |
Jul. 9, 2002 |
| 6415817 |
Valve for dosing the admission of volatilized fuel |
Jul. 9, 2002 |
| 6401749 |
Asymmetrically loaded check valve |
Jun. 11, 2002 |
| 6352239 |
Gate valve actuator override mechanism |
Mar. 5, 2002 |
| 6347783 |
Arrangement for preventing undesirable pressures when blocking off or throttling the transport of liquid in a pipeline |
Feb. 19, 2002 |
| 6318702 |
Shutoff device |
Nov. 20, 2001 |
| 6274885 |
Active matrix display device with TFTs of different refractive index |
Aug. 14, 2001 |
| 6267350 |
Valve having a mechanism for controlling a nonlinear force |
Jul. 31, 2001 |
| 6267135 |
ABS modulator with damping foam on exhaust diaphragm |
Jul. 31, 2001 |
| 6213413 |
Fuel injection valve and method of manufacturing the fuel injection valve |
Apr. 10, 2001 |
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