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Class Information
Number: 188/322.15
Name: Brakes > Internal-resistance motion retarder > Valve structure or location > Piston valve detail (e.g., seat design, structural arrangement, metering element)
Description: Device wherein the container includes a cylindrical chamber having a piston which reciprocates within the chamber, the flow-regulating element or assembly mounted on or in the piston to regulate fluid flow through an aperture in the piston.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7584829 |
Damping valve device with progressive damping force |
Sep. 8, 2009 |
| 7565956 |
Shock absorber with a damping device |
Jul. 28, 2009 |
| 7540362 |
Adjustable-length gas spring |
Jun. 2, 2009 |
| 7523818 |
Vibration damper with amplitude-selective damping force |
Apr. 28, 2009 |
| 7458448 |
Hydraulic shock absorber |
Dec. 2, 2008 |
| 7455154 |
Shock absorber |
Nov. 25, 2008 |
| 7441639 |
Dashpot with amplitude-dependent shock absorption |
Oct. 28, 2008 |
| 7441640 |
Shock absorber apparatus |
Oct. 28, 2008 |
| 7428953 |
Gas spring with end position damping |
Sep. 30, 2008 |
| 7407044 |
Variable damping valve of shock absorber |
Aug. 5, 2008 |
| 7395907 |
Shock absorber with frequency-dependent damping |
Jul. 8, 2008 |
| 7374028 |
Damper with pressure-sensitive compression damping |
May. 20, 2008 |
| 7353922 |
Air damper |
Apr. 8, 2008 |
| 7347308 |
Damper |
Mar. 25, 2008 |
| 7337885 |
Telescoping cylinder |
Mar. 4, 2008 |
| 7331570 |
Low impact gas spring |
Feb. 19, 2008 |
| 7322449 |
Hydraulic shock absorber |
Jan. 29, 2008 |
| 7318504 |
Adjusting mechanism for a prosthetic |
Jan. 15, 2008 |
| 7290643 |
Front fork in two-wheeled motor vehicle or the like |
Nov. 6, 2007 |
| 7234576 |
Damper, in particular for motor vehicle |
Jun. 26, 2007 |
| 7228948 |
Hydraulic suspension damper |
Jun. 12, 2007 |
| 7213689 |
Shock absorber for a remote-controlled model car |
May. 8, 2007 |
| 7201260 |
Subassembly for the amplitude-dependent absorption of shock |
Apr. 10, 2007 |
| 7172058 |
Vibration damper with amplitude-dependent damping force |
Feb. 6, 2007 |
| 7152719 |
Adjustable-length compression spring and seat provided therewith |
Dec. 26, 2006 |
| 7111711 |
Vibration damper with stroke-dependent damping force |
Sep. 26, 2006 |
| 7104369 |
Vibration damper with stroke-dependent damping force |
Sep. 12, 2006 |
| 7100750 |
Assembly for a Hydraulic Dashpot |
Sep. 5, 2006 |
| 7097016 |
Fulcrum blow off valve for use in a shock absorber |
Aug. 29, 2006 |
| 7073643 |
Compensated rod for a frequency dependent damper shock absorber |
Jul. 11, 2006 |
| 7070029 |
Monotube piston valving system with selective bleed |
Jul. 4, 2006 |
| 7048100 |
Piston/cylinder unit |
May. 23, 2006 |
| 7040468 |
Hydraulic shock absorber |
May. 9, 2006 |
| 7017720 |
Front fork |
Mar. 28, 2006 |
| 7011325 |
Adjustable length suspension fork for a bicycle |
Mar. 14, 2006 |
| 7011191 |
Locking strut |
Mar. 14, 2006 |
| 6988599 |
Compressible fluid strut |
Jan. 24, 2006 |
| 6974004 |
Shock-absorbing piston for hydraulic fixtures |
Dec. 13, 2005 |
| 6969080 |
Damper for front fork of vehicle |
Nov. 29, 2005 |
| 6966411 |
Valve structure of hydraulic shock absorber for vehicle |
Nov. 22, 2005 |
| 6959797 |
Piston-cylinder assembly with braking device |
Nov. 1, 2005 |
| 6959906 |
Blow-off valve for a hydraulic dashpot |
Nov. 1, 2005 |
| 6951267 |
Damping force-variable shock absorber |
Oct. 4, 2005 |
| 6918473 |
Stroke dependent bypass |
Jul. 19, 2005 |
| 6913128 |
Piston-cylinder assembly having a speed-dependent damping force |
Jul. 5, 2005 |
| 6886670 |
Extra support land for valve disc |
May. 3, 2005 |
| 6874603 |
Magnetorheological piston and damper assembly |
Apr. 5, 2005 |
| 6837344 |
Piston and rod assembly for air-actuated variable damping |
Jan. 4, 2005 |
| 6817454 |
Damping force control type hydraulic shock absorber |
Nov. 16, 2004 |
| 6814193 |
Vibration damper with a hydraulic pressure stop |
Nov. 9, 2004 |
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