Assignee
REXROTH MANNESMANN GMBH
DE·226 granted patents·3,745 citations·filing 1980–2001
Top patents by PatentIndex Score
226 records- 0195US5852933AHydraulic drives system for a pressREXROTH MANNESMANN GMBH·Filed 1995·Granted Dec 29, 1998·58 cites·12 claims
- 0295US4548233AElectrically controlled pressure relief valve including a hydraulic biasREXROTH MANNESMANN GMBH·Filed 1984·Granted Oct 22, 1985·115 cites·6 claims
- 0393US5713331AInjection and exhaust-brake system for an internal combustion engine having several cylindersREXROTH MANNESMANN GMBH·Filed 1995·Granted Feb 3, 1998·72 cites·11 claims
- 0493US4924671AControlled series high-pressure intensifiers for hydraulic press cylinded circuitREXROTH MANNESMANN GMBH·Filed 1987·Granted May 15, 1990·57 cites·21 claims
- 0593US4813234AHydraulic transmissionREXROTH MANNESMANN GMBH·Filed 1987·Granted Mar 21, 1989·58 cites·8 claims
- 0692US4966066ALoad sensing system with increasing priority in series of control valvesREXROTH MANNESMANN GMBH·Filed 1989·Granted Oct 30, 1990·51 cites·5 claims
- 0792US4543875AElectro-hydraulic directional control valveREXROTH MANNESMANN GMBH·Filed 1983·Granted Oct 1, 1985·48 cites·5 claims
- 0891US5138837ALoad independent valve control for a plurality of hydraulic usersREXROTH MANNESMANN GMBH·Filed 1991·Granted Aug 18, 1992·55 cites·10 claims
- 0990US5829335AControl for hydraulic drive or actuatorREXROTH MANNESMANN GMBH·Filed 1996·Granted Nov 3, 1998·75 cites·7 claims
- 1090US4928487AControl apparatus for double acting hydraulic cylinder unitsREXROTH MANNESMANN GMBH·Filed 1985·Granted May 29, 1990·43 cites·12 claims
- 1189US5179836AHydraulic system for a differential piston type cylinderREXROTH MANNESMANN GMBH·Filed 1991·Granted Jan 19, 1993·43 cites·5 claims
- 1289US4531449AArrangement for controlling a hydraulic motorREXROTH MANNESMANN GMBH·Filed 1982·Granted Jul 30, 1985·46 cites·7 claims
- 1389US4468173AControl device for a variable displacement pumpREXROTH MANNESMANN GMBH·Filed 1982·Granted Aug 28, 1984·46 cites·10 claims
- 1488US4959581AServo valve having a piezoelectric element as a control motorREXROTH MANNESMANN GMBH·Filed 1988·Granted Sep 25, 1990·52 cites·28 claims
- 1588US4643225APressure regulating valveREXROTH MANNESMANN GMBH·Filed 1985·Granted Feb 17, 1987·42 cites·7 claims
- 1688US4548383AElectrically controlled pressure reducing valveREXROTH MANNESMANN GMBH·Filed 1984·Granted Oct 22, 1985·54 cites·5 claims
- 1787US4712470AMethod and apparatus for compensating the variable weight of a mass acting on a hydraulic drive, in particular for the upright drive cylinder of a lapping machineREXROTH MANNESMANN GMBH·Filed 1987·Granted Dec 15, 1987·38 cites·10 claims
- 1886US4759183AControl arrangement for at least two hydraulic loads fed by at least one pumpREXROTH MANNESMANN GMBH·Filed 1986·Granted Jul 26, 1988·47 cites·12 claims
- 1986US4518938ASolenoid having low-friction coating internally of the armature sleeveREXROTH MANNESMANN GMBH·Filed 1984·Granted May 21, 1985·33 cites·19 claims
- 2085US5070695AHydrostatic drive systemREXROTH MANNESMANN GMBH·Filed 1988·Granted Dec 10, 1991·42 cites·12 claims
- 2185US4553391AControl device for a hydraulic cylinder for maintaining the pulling force thereof constantREXROTH MANNESMANN GMBH·Filed 1983·Granted Nov 19, 1985·30 cites·4 claims
- 2284US5499525AHydraulic drive for a sheet metal forming pressREXROTH MANNESMANN GMBH·Filed 1993·Granted Mar 19, 1996·35 cites·15 claims
- 2384US4970941AElectrical measured value processing for a control valveREXROTH MANNESMANN GMBH·Filed 1989·Granted Nov 20, 1990·32 cites·17 claims
- 2484US4678412AAdjusting apparatus for a vane pump or radial piston pumpREXROTH MANNESMANN GMBH·Filed 1986·Granted Jul 7, 1987·33 cites·32 claims
- 2583US4491153APressure reducing valveREXROTH MANNESMANN GMBH·Filed 1982·Granted Jan 1, 1985·38 cites·14 claims
- 2682US5018631AHoist device for a load hanging on hoist ropes, in particular a container-craneREXROTH MANNESMANN GMBH·Filed 1989·Granted May 28, 1991·34 cites·9 claims
- 2782US4878543AMethod for controlling an attachment to agricultural tractorsREXROTH MANNESMANN GMBH·Filed 1987·Granted Nov 7, 1989·31 cites·15 claims
- 2882US4856278AControl arrangement for at least two hydraulic consumers fed by at least one pumpREXROTH MANNESMANN GMBH·Filed 1987·Granted Aug 15, 1989·39 cites·22 claims
- 2982US4478250APressure control valveREXROTH MANNESMANN GMBH·Filed 1982·Granted Oct 23, 1984·44 cites·17 claims
- 3081USD464007SControl lever for vehiclesREXROTH MANNESMANN GMBH·Filed 2001·Granted Oct 8, 2002·31 cites·1 claims
- 3180US5725361AHydraulic unitREXROTH MANNESMANN GMBH·Filed 1994·Granted Mar 10, 1998·27 cites·22 claims
- 3280US4739617AControl arrangement for at least two hydraulic consumers fed by at least one pumpREXROTH MANNESMANN GMBH·Filed 1986·Granted Apr 26, 1988·28 cites·14 claims
- 3378US4807519APiston machine with changeable displacementREXROTH MANNESMANN GMBH·Filed 1987·Granted Feb 28, 1989·33 cites·11 claims
- 3476US4955445AHydrostatic auxiliary power steering mechanism for motor vehiclesREXROTH MANNESMANN GMBH·Filed 1988·Granted Sep 11, 1990·29 cites·11 claims
- 3576US4819429AHydraulical drive systemREXROTH MANNESMANN GMBH·Filed 1982·Granted Apr 11, 1989·24 cites·8 claims
- 3676US4665697AHydraulic system for charging an accumulatorREXROTH MANNESMANN GMBH·Filed 1984·Granted May 19, 1987·22 cites·8 claims
- 3775US5245826AVibration suppression apparatus for hydraulic system with improved accumulator filing circuitREXROTH MANNESMANN GMBH·Filed 1992·Granted Sep 21, 1993·38 cites·8 claims
- 3875US4976332ACircuit arrangement for the drive of a vehicleREXROTH MANNESMANN GMBH·Filed 1988·Granted Dec 11, 1990·19 cites·24 claims
- 3975US4699571AControl valve for a variable displacement pumpREXROTH MANNESMANN GMBH·Filed 1985·Granted Oct 13, 1987·33 cites·19 claims
- 4073US4463929APressure responsive valveREXROTH MANNESMANN GMBH·Filed 1982·Granted Aug 7, 1984·27 cites·6 claims
- 4172US4905535AGear wheel mechanismREXROTH MANNESMANN GMBH·Filed 1987·Granted Mar 6, 1990·28 cites·7 claims
- 4271US5628188ATorque control of hydrostatic machines via the pivot angle or the eccentricity of said machinesREXROTH MANNESMANN GMBH·Filed 1994·Granted May 13, 1997·32 cites·16 claims
- 4370US5315828AValve assembly for load independent control of multiple hydraulic loadsREXROTH MANNESMANN GMBH·Filed 1992·Granted May 31, 1994·22 cites·9 claims
- 4470US4809746AProportional throttle valveREXROTH MANNESMANN GMBH·Filed 1986·Granted Mar 7, 1989·26 cites·12 claims
- 4569US5528911AHydraulic control apparatus for a plurality of usersREXROTH MANNESMANN GMBH·Filed 1993·Granted Jun 25, 1996·21 cites·3 claims
- 4669US5332371AHydraulic systemREXROTH MANNESMANN GMBH·Filed 1993·Granted Jul 26, 1994·25 cites·10 claims
- 4768US5077975AControl for a load-dependently operating variable displacement pumpREXROTH MANNESMANN GMBH·Filed 1990·Granted Jan 7, 1992·21 cites·15 claims
- 4867US5613361AHydraulic circuit for supplying a plurality of series-operated of a hydraulically controlled installationREXROTH MANNESMANN GMBH·Filed 1994·Granted Mar 25, 1997·28 cites·37 claims
- 4967US5230272AHydraulic positioning drive with pressure and position feedback controlREXROTH MANNESMANN GMBH·Filed 1991·Granted Jul 27, 1993·29 cites·10 claims
- 5067US4835966AControl switching arrangement for a hydraulic power liftREXROTH MANNESMANN GMBH·Filed 1987·Granted Jun 6, 1989·17 cites·16 claims
Showing the top 50 of 226 patent records by PatentIndex Score.
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