Assignee
FICHTEL & SACHS AG
US·557 granted patents·14,663 citations·filing 1973–1999
Top patents by PatentIndex Score
557 records- 0199US5318486ADriving hub for a vehicle, particularly a bicycle, with an infinitely adjustable transmission ratioFICHTEL & SACHS AG·Filed 1992·Granted Jun 7, 1994·391 cites·22 claims
- 0297US6035979AVibration damper and a vibration damper with a damping valve having an adjustable damping forceFICHTEL & SACHS AG·Filed 1997·Granted Mar 14, 2000·138 cites·20 claims
- 0397US5398787ADamping pilot valve having vibration damper-related characteristic curvesFICHTEL & SACHS AG·Filed 1993·Granted Mar 21, 1995·137 cites·28 claims
- 0496US5937975AVibration damper for a motor vehicle and a vibration damper having a damping valve with adjustable damping force for a motor vehicleFICHTEL & SACHS AG·Filed 1997·Granted Aug 17, 1999·123 cites·20 claims
- 0596US5799541ATwist-grip shifter for bicycles and a bicycle having a twist-grip shifterFICHTEL & SACHS AG·Filed 1996·Granted Sep 1, 1998·161 cites·4 claims
- 0696US5413196AOscillation damperFICHTEL & SACHS AG·Filed 1993·Granted May 9, 1995·116 cites·26 claims
- 0795US5755302ADrive arrangement for a hybrid vehicleFICHTEL & SACHS AG·Filed 1994·Granted May 26, 1998·114 cites·16 claims
- 0895US5699885AVibration damper with adjustable damping forceFICHTEL & SACHS AG·Filed 1995·Granted Dec 23, 1997·109 cites·18 claims
- 0995US5273501ADriving hub for a vehicleFICHTEL & SACHS AG·Filed 1992·Granted Dec 28, 1993·187 cites·20 claims
- 1095US5236403ADriving hub for a vehicle, particularly a bicycle, with an infinitely variable adjustable transmission ratioFICHTEL & SACHS AG·Filed 1992·Granted Aug 17, 1993·333 cites·26 claims
- 1195US5069655ADriving hub for a vehicleFICHTEL & SACHS AG·Filed 1990·Granted Dec 3, 1991·258 cites·11 claims
- 1295US4328960AFluid damping unit featuring combined fluidic and spring damping characteristicsFICHTEL & SACHS AG·Filed 1979·Granted May 11, 1982·85 cites·5 claims
- 1394US5829542AMotor vehicle having drive assemblies with various track distancesFICHTEL & SACHS AG·Filed 1995·Granted Nov 3, 1998·99 cites·22 claims
- 1494US5738603ADerailleurFICHTEL & SACHS AG·Filed 1995·Granted Apr 14, 1998·154 cites·20 claims
- 1594US5357177AElectrical adjustment deviceFICHTEL & SACHS AG·Filed 1993·Granted Oct 18, 1994·121 cites·8 claims
- 1694US5322150AArrangement for controlling the slip of an automatic friction clutchFICHTEL & SACHS AG·Filed 1991·Granted Jun 21, 1994·68 cites·14 claims
- 1794US4567973AFreewheel drive hub for a bicycleFICHTEL & SACHS AG·Filed 1984·Granted Feb 4, 1986·52 cites·6 claims
- 1893US5651433AFluid operated oscillation damperFICHTEL & SACHS AG·Filed 1995·Granted Jul 29, 1997·110 cites·79 claims
- 1993US5575363AHydrokinetic torque converter with lockup clutchFICHTEL & SACHS AG·Filed 1994·Granted Nov 19, 1996·69 cites·20 claims
- 2093US5307710ATwo-mass flywheelFICHTEL & SACHS AG·Filed 1992·Granted May 3, 1994·79 cites·42 claims
- 2193US4926988AHydrodynamic clutchFICHTEL & SACHS AG·Filed 1989·Granted May 22, 1990·56 cites·16 claims
- 2292US5551928ATorsional vibration damper with a planetary gearsetFICHTEL & SACHS AG·Filed 1994·Granted Sep 3, 1996·54 cites·13 claims
- 2392US5372224AOscillation damperFICHTEL & SACHS AG·Filed 1993·Granted Dec 13, 1994·106 cites·30 claims
- 2492US4589528ADouble-tube vibration damperFICHTEL & SACHS AG·Filed 1983·Granted May 20, 1986·61 cites·31 claims
- 2592US4290634AElectrically and manually operable locking mechanism and drive arrangement for the sameFICHTEL & SACHS AG·Filed 1978·Granted Sep 22, 1981·61 cites·19 claims
- 2691US5690203AMotor vehicle friction clutch with automatic wear adjustmentFICHTEL & SACHS AG·Filed 1996·Granted Nov 25, 1997·50 cites·20 claims
- 2791US5678646APropulsion system and kit for hybrid motor vehicleFICHTEL & SACHS AG·Filed 1995·Granted Oct 21, 1997·96 cites·19 claims
- 2891US5678671AMotor vehicle clutch assembly having an actuator device, which actuator device has a clutch motion blocking systemFICHTEL & SACHS AG·Filed 1996·Granted Oct 21, 1997·57 cites·8 claims
- 2991US5669474AHydrodynamic torque converter with lock-up clutchFICHTEL & SACHS AG·Filed 1995·Granted Sep 23, 1997·56 cites·20 claims
- 3091US5392885AAdjustable hydraulic vibration damper for motor vehiclesFICHTEL & SACHS AG·Filed 1993·Granted Feb 28, 1995·133 cites·20 claims
- 3191US4671392AVibration damper with variable damping forceFICHTEL & SACHS AG·Filed 1985·Granted Jun 9, 1987·64 cites·13 claims
- 3291US4665694AFluid friction couplingFICHTEL & SACHS AG·Filed 1985·Granted May 19, 1987·46 cites·6 claims
- 3391US4311302AShock absorber deviceFICHTEL & SACHS AG·Filed 1979·Granted Jan 19, 1982·104 cites·57 claims
- 3490US6116399AFriction clutch for a motor vehicle and an operation device for the operation, especially pneumatic operation, of a friction clutchFICHTEL & SACHS AG·Filed 1997·Granted Sep 12, 2000·50 cites·7 claims
- 3590US5748748AApparatus and method for influencing oscillations in the passenger compartment of a motor vehicle and apparatus and method for detecting defects in a motor vehicleFICHTEL & SACHS AG·Filed 1996·Granted May 5, 1998·96 cites·33 claims
- 3690US5632361AVibration damper, in particular for motor vehiclesFICHTEL & SACHS AG·Filed 1995·Granted May 27, 1997·92 cites·20 claims
- 3790US5503598ADerailleur arrangement, in particular for bicyclesFICHTEL & SACHS AG·Filed 1994·Granted Apr 2, 1996·91 cites·18 claims
- 3890US5377803APressure plate arrangement for a motor vehicle friction clutchFICHTEL & SACHS AG·Filed 1993·Granted Jan 3, 1995·54 cites·26 claims
- 3990US5143189APawl-ratchet free-wheel mechanism for a bicycle hubFICHTEL & SACHS AG·Filed 1991·Granted Sep 1, 1992·52 cites·18 claims
- 4090US4768629ADouble-tube vibration damperFICHTEL & SACHS AG·Filed 1986·Granted Sep 6, 1988·57 cites·14 claims
- 4189US5700027ARotary actuatorFICHTEL & SACHS AG·Filed 1995·Granted Dec 23, 1997·46 cites·17 claims
- 4289US4960188ASingle-tube vibration damper of variable damping forceFICHTEL & SACHS AG·Filed 1989·Granted Oct 2, 1990·51 cites·5 claims
- 4389US4456111AHydraulic control system for a clutchFICHTEL & SACHS AG·Filed 1981·Granted Jun 26, 1984·40 cites·13 claims
- 4488US5799763ALock-up clutch of a hydrodynamic torque converterFICHTEL & SACHS AG·Filed 1996·Granted Sep 1, 1998·46 cites·24 claims
- 4588US5699887AHydrokinetic torque converter with an impeller clutch and a bridge couplingFICHTEL & SACHS AG·Filed 1996·Granted Dec 23, 1997·45 cites·32 claims
- 4688US5691588ADrive arrangement for a hybird vehicleFICHTEL & SACHS AG·Filed 1994·Granted Nov 25, 1997·73 cites·13 claims
- 4788US5573265AStabilizer system for a motor vehicle suspension system with a rotary actuatorFICHTEL & SACHS AG·Filed 1994·Granted Nov 12, 1996·42 cites·18 claims
- 4888US5287951AHydraulically actuable releaser for a motor vehicle friction clutchFICHTEL & SACHS AG·Filed 1992·Granted Feb 22, 1994·43 cites·6 claims
- 4988US5185543AMotor vehicle drive line torsional vibration damperFICHTEL & SACHS AG·Filed 1992·Granted Feb 9, 1993·73 cites·13 claims
- 5088US4460074AContinuously open throttling fluid passage device for shock absorbersFICHTEL & SACHS AG·Filed 1982·Granted Jul 17, 1984·49 cites·21 claims
Showing the top 50 of 557 patent records by PatentIndex Score.
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