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Class Information
Number: 188/322.18
Name: Brakes > Internal-resistance motion retarder > Including seal or guide > Between piston and cylinder
Description: Device wherein the container includes a cylindrical chamber, the first member is a piston which reciprocates within the chamber, the component located at and functioning between the interface of the piston and the chamber.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7428954 |
Damper for drum type washing machine |
Sep. 30, 2008 |
| 7367086 |
String type air damper |
May. 6, 2008 |
| 7204104 |
Damper of drum type washing machine |
Apr. 17, 2007 |
| 7182190 |
Vibration damper with fire safety device |
Feb. 27, 2007 |
| 7104369 |
Vibration damper with stroke-dependent damping force |
Sep. 12, 2006 |
| 7083164 |
Cushion and cushion cylinder for ram or bolster of a press |
Aug. 1, 2006 |
| 6971303 |
Method and device at a piston-cylinder device |
Dec. 6, 2005 |
| 6928923 |
Piston with supporting connector elements for a piston-cylinder arrangement, in particular a shock absorber piston |
Aug. 16, 2005 |
| 6726219 |
Air damper with graphite coated lip seal |
Apr. 27, 2004 |
| 6712362 |
Primary seals for master-slave cylinder systems |
Mar. 30, 2004 |
| 6695294 |
Controlled equilibrium device with displacement dependent spring rates and integral damping |
Feb. 24, 2004 |
| 6591948 |
Piston with support webs for a piston-cylinder arrangement, in particular a shock absorber piston |
Jul. 15, 2003 |
| 6547046 |
Hydraulic damper |
Apr. 15, 2003 |
| 6513811 |
Air damper with graphite coated lip seal |
Feb. 4, 2003 |
| 6481336 |
Piston with pressure-dependent sealing effect for a piston-cylinder arrangement, in particular a shock absorber piston |
Nov. 19, 2002 |
| 6460839 |
Air damper for a movably supported structural part, in particular in automobiles |
Oct. 8, 2002 |
| 6397987 |
Dashpot piston in halves |
Jun. 4, 2002 |
| 6311813 |
Axially movable switching sealing ring within a groove |
Nov. 6, 2001 |
| 6199673 |
Silent damper with anti-rattle shaft |
Mar. 13, 2001 |
| 6176492 |
Piston ring for shock absorber |
Jan. 23, 2001 |
| 6164659 |
Piston rod seal |
Dec. 26, 2000 |
| 5988608 |
Piston-cylinder unit having a sealing valve |
Nov. 23, 1999 |
| 5884734 |
Air damper |
Mar. 23, 1999 |
| 5860497 |
Hydraulic shock absorber with removable components |
Jan. 19, 1999 |
| 5839551 |
Piston and piston-rod guide unit for hydraulic shock absorbers |
Nov. 24, 1998 |
| 5806840 |
Fluid-filled unit of a cylinder and a piston rod, in particular gas spring |
Sep. 15, 1998 |
| 5730263 |
Vibration damper |
Mar. 24, 1998 |
| 5697477 |
Air damper |
Dec. 16, 1997 |
| 5655634 |
Shock absorbers and vibration dampers; and shock absorbers and vibration dampers with a piston with a piston ring; and a cyclinder with a piston with a piston ring |
Aug. 12, 1997 |
| 5647578 |
Latch mechanism |
Jul. 15, 1997 |
| 5615756 |
Shock absorber for a motor vehicle, which shock absorber has a piston valve |
Apr. 1, 1997 |
| 5570761 |
Velocity responsive fluid actuated friction damper |
Nov. 5, 1996 |
| 5518223 |
Air damper assembly with piston seal and piston rod latch |
May. 21, 1996 |
| 5353689 |
Impact damping means for power cylinders |
Oct. 11, 1994 |
| 5339932 |
Apparatus and method to cushion movement of a member |
Aug. 23, 1994 |
| 5301716 |
Closure damper for a sanitary water fitting |
Apr. 12, 1994 |
| 5188345 |
Lockable elevating mechanism for the continuous adjustment of chair seats |
Feb. 23, 1993 |
| 5174551 |
Cylinder piston device |
Dec. 29, 1992 |
| 5172793 |
Vehicle brake with brake cylinder bore insert |
Dec. 22, 1992 |
| 5115892 |
Hydraulic shock absorber with piston seal structure for enhancement of initial response |
May. 26, 1992 |
| 4989700 |
Gas spring with an anti-rattle piston assembly |
Feb. 5, 1991 |
| 4979718 |
Lockable elevating mechanism for the continuous adjustment of seats, table tops or similar items of furniture |
Dec. 25, 1990 |
| 4934667 |
Air spring damper for vehicle suspension |
Jun. 19, 1990 |
| 4924975 |
Shock absorber with improved dynamic sealing |
May. 15, 1990 |
| 4877115 |
Piston for a piston-cylinder unit |
Oct. 31, 1989 |
| 4826156 |
Exerciser |
May. 2, 1989 |
| 4821850 |
Double-tube vibration damper |
Apr. 18, 1989 |
| 4785922 |
Gun recoil mechanism |
Nov. 22, 1988 |
| 4662486 |
Hydraulic device |
May. 5, 1987 |
| 4635909 |
Combination pneumatic spring and shock absorbing apparatus |
Jan. 13, 1987 |
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