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Class Information
Number: 267/64.13
Name: Spring devices > Vehicle > Comprising compressible fluid > Including compressible liquid
Description: A device wherein the compressible material remains in a liquid state under normal operating conditions.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8640835 Suspension unit Feb. 4, 2014
8444122 Gas spring with guide May. 21, 2013
8371562 Double path mount for cab suspension with tilting function Feb. 12, 2013
7751959 Semi-active suspension system with anti-roll for a vehicle Jul. 6, 2010
7641181 Distributed power suspension system Jan. 5, 2010
7140601 Independent and integrated compact air-bump stops Nov. 28, 2006
6764066 Hydraulic damping mount for supporting a spring strut Jul. 20, 2004
6691840 MR damper with rebound cut-off feature Feb. 17, 2004
6655509 Impact damper Dec. 2, 2003
6561500 Hydro-damped air spring May. 13, 2003
6513797 Damping arrangement for suspension system Feb. 4, 2003
6394238 Regenerative suspension for an off-road vehicle May. 28, 2002
6389341 Control system for a vehicle suspension May. 14, 2002
6361027 Shock absorber with flexible connection between an airlift component and top mount Mar. 26, 2002
6357546 Motorcycle suspension system Mar. 19, 2002
6305673 Vibration control system Oct. 23, 2001
6293530 Compressible liquid vibration control system Sep. 25, 2001
6212974 Variable stiffness positioning link for a gearbox Apr. 10, 2001
6042094 Self-centering column assembly employing liquid spring and structures containing such columns Mar. 28, 2000
5961106 Vehicle shock absorber assembly having height adjustment Oct. 5, 1999
5944283 Crashworthy landing gear shock Aug. 31, 1999
5890705 Self-centering liquid spring assembly and constructions thereof Apr. 6, 1999
5829556 Damper device, of the type with hydrostatic compression of elastomer, and its applications Nov. 3, 1998
5820112 Leveling valve apparatus for controlling vehicle cab leveling Oct. 13, 1998
5595372 Semi-active vibration mitigation assembly Jan. 21, 1997
5549281 Liquid spring for punch press Aug. 27, 1996
5316272 Liquid spring vehicular suspension system and associated control apparatus May. 31, 1994
5305859 Liquid spring having improved damper valve structure Apr. 26, 1994
5152547 Dual piston strut Oct. 6, 1992
5085412 Shock strut Feb. 4, 1992
5052712 Torque beam, equalized pneumatic and hydraulic axle suspension Oct. 1, 1991
5028037 Automatic lifting apparatus Jul. 2, 1991
5024465 Axle suspension for vehicles, particularly heavy vehicles with two or more axles Jun. 18, 1991
4986704 Tool mounting apparatus Jan. 22, 1991
4924975 Shock absorber with improved dynamic sealing May. 15, 1990
4921225 Pneumatic spring structure with dual output force and pressure decay compensation and method of operation May. 1, 1990
4896586 Piston stop assembly Jan. 30, 1990
4877222 Fluid suspension spring and dampener for vehicle suspension system Oct. 31, 1989
4867043 End cap for fluid cylinder Sep. 19, 1989
4867286 Shock absorber having fluid amplified piston head with relief valve which provides second stage of fluid amplification Sep. 19, 1989
4859006 Hydropneumatic jack Aug. 22, 1989
4856762 Fire retardant gas spring assembly for a passenger seat control Aug. 15, 1989
4828230 Dual acting hydraulic actuator for active suspension system May. 9, 1989
4819919 Boot seal for liquid spring used in corrosive environments Apr. 11, 1989
4805882 Shock absorber with adjustable residual stroke Feb. 21, 1989
4798398 Dual rate equalizer suspension Jan. 17, 1989
4793451 Energy absorber device with plastic casing and screw-in plastic seal Dec. 27, 1988
4749068 Shock absorber for the suspension of a motor vehicle Jun. 7, 1988
4741516 Fluid suspension spring and damper for vehicle suspension system May. 3, 1988
4735402 Fluid suspension spring and dampener for vehicle suspension system Apr. 5, 1988

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