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Class Information
Number: 188/317
Name: Brakes > Internal-resistance motion retarder > Having a thrust member with a variable volume chamber (e.g., coaxial or telescoping tubes, compensating reservoir) > Fluid through or around piston within chamber > Via fixed or variable orifice in piston
Description: Device wherein fluid moves via an opening in said member that extends between said faces.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7458448 |
Hydraulic shock absorber |
Dec. 2, 2008 |
| 7322449 |
Hydraulic shock absorber |
Jan. 29, 2008 |
| 7255209 |
Integrated suspension system for vehicle |
Aug. 14, 2007 |
| 7073643 |
Compensated rod for a frequency dependent damper shock absorber |
Jul. 11, 2006 |
| 7070028 |
Frequency dependent damper |
Jul. 4, 2006 |
| 7000907 |
Spring system for bicycles |
Feb. 21, 2006 |
| 6978872 |
Hydraulic dampers with pressure regulated control valve |
Dec. 27, 2005 |
| 6860369 |
Vibration damper with variable damping force |
Mar. 1, 2005 |
| 6782979 |
Shock-absorbing element for a motor vehicle |
Aug. 31, 2004 |
| 6782980 |
Controllable damping force hydraulic shock absorber |
Aug. 31, 2004 |
| 6698559 |
Hydraulic damping device |
Mar. 2, 2004 |
| 6655509 |
Impact damper |
Dec. 2, 2003 |
| 6637555 |
Pneumatic connections for vehicle suspensions |
Oct. 28, 2003 |
| 6543754 |
Air spring |
Apr. 8, 2003 |
| 6439356 |
Controlled oscillating damper |
Aug. 27, 2002 |
| 6382370 |
Shock absorber with an adjustable lock-out value and two-stage flow restriction |
May. 7, 2002 |
| 6364075 |
Frequency dependent damper |
Apr. 2, 2002 |
| 6328291 |
Shock absorber |
Dec. 11, 2001 |
| 6318523 |
Flexible monotube valve with digressive performance and independent low speed orifice |
Nov. 20, 2001 |
| 6276498 |
Piston for a piston cylinder assembly |
Aug. 21, 2001 |
| 6179099 |
Gas spring having an intermediate stop function and temperature compensation |
Jan. 30, 2001 |
| 6161663 |
Stroke limiting velocity sensitive valve for a hydraulic lock mechanism |
Dec. 19, 2000 |
| 6148969 |
Frequency dependant damper |
Nov. 21, 2000 |
| 6119832 |
Pneumatic movement damper |
Sep. 19, 2000 |
| 6085877 |
Bi-Directional Multiple State Suspension Damper |
Jul. 11, 2000 |
| 6085876 |
Flexing disc-blow off assembly for use in a shock absorber |
Jul. 11, 2000 |
| 6053486 |
Damping cylinder |
Apr. 25, 2000 |
| 6042091 |
Shock absorber |
Mar. 28, 2000 |
| 6026939 |
Shock absorber with stanchion mounted bypass damping |
Feb. 22, 2000 |
| 6007057 |
Gas spring with braking means |
Dec. 28, 1999 |
| 5996747 |
Automatic-return hydraulic device, especially for vehicle seats |
Dec. 7, 1999 |
| 5937976 |
Vibration damper with restrictor plate |
Aug. 17, 1999 |
| 5913391 |
Damper |
Jun. 22, 1999 |
| 5911290 |
Step motor actuated continuous variable shock absorber |
Jun. 15, 1999 |
| 5823306 |
Stroke dependent damping |
Oct. 20, 1998 |
| 5810128 |
Shock absorber |
Sep. 22, 1998 |
| 5803213 |
Heavy load vibration isolation apparatus |
Sep. 8, 1998 |
| 5779007 |
Shock absorber with hydraulic fluid control rod |
Jul. 14, 1998 |
| 5775677 |
Air or gas sprung and dampened shock absorber |
Jul. 7, 1998 |
| 5755305 |
Hydraulic vibration damper with noise reducing valve structure |
May. 26, 1998 |
| 5738190 |
Flexing disc-blow off assembly for use in a shock absorber |
Apr. 14, 1998 |
| 5699885 |
Vibration damper with adjustable damping force |
Dec. 23, 1997 |
| 5690195 |
Alternating state pressure regulation valved damper |
Nov. 25, 1997 |
| 5664649 |
Adjustable shock absorber |
Sep. 9, 1997 |
| 5653425 |
Energy absorbers |
Aug. 5, 1997 |
| 5647461 |
Adjustable piston valve damper |
Jul. 15, 1997 |
| 5598911 |
Hydraulic slider coupling |
Feb. 4, 1997 |
| 5595269 |
Vibration damper for a motor vehicle |
Jan. 21, 1997 |
| 5560456 |
Hydraulic strut for a motor vehicle |
Oct. 1, 1996 |
| 5551541 |
Shock absorber |
Sep. 3, 1996 |
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