Assignee
VISCODRIVE GMBH
DE·36 granted patents·530 citations·filing 1988–1994
Top patents by PatentIndex Score
36 records- 0181US4982808AViscous shear couplingVISCODRIVE GMBH·Filed 1989·Granted Jan 8, 1991·28 cites·6 claims
- 0277US5004085AFluid friction coupling with closing slideVISCODRIVE GMBH·Filed 1990·Granted Apr 2, 1991·27 cites·6 claims
- 0376US5342256ADifferential gear systemVISCODRIVE GMBH·Filed 1992·Granted Aug 30, 1994·24 cites·12 claims
- 0474US5194054ADifferential driveVISCODRIVE GMBH·Filed 1991·Granted Mar 16, 1993·23 cites·7 claims
- 0572US5122102ADifferential driveVISCODRIVE GMBH·Filed 1991·Granted Jun 16, 1992·25 cites·24 claims
- 0672US5041069ADrive assembly for a motor vehicleVISCODRIVE GMBH·Filed 1990·Granted Aug 20, 1991·46 cites·11 claims
- 0771US5007498ADriving assemblyVISCODRIVE GMBH·Filed 1989·Granted Apr 16, 1991·18 cites·12 claims
- 0868US5259488AFluid friction couplingVISCODRIVE GMBH·Filed 1992·Granted Nov 9, 1993·22 cites·8 claims
- 0966US5174408ADrive assembly for a four wheel drive vehicle, having a disconnectable viscous couplingVISCODRIVE GMBH·Filed 1990·Granted Dec 29, 1992·17 cites·2 claims
- 1065US5547430ADrive assembly for a four wheel drive vehicle having a first and second viscous couplingVISCODRIVE GMBH·Filed 1994·Granted Aug 20, 1996·37 cites·6 claims
- 1163US5234072ADrive assembly for a four wheel drive vehicleVISCODRIVE GMBH·Filed 1992·Granted Aug 10, 1993·26 cites·8 claims
- 1260US4885957ADisconnectable transmission assembliesVISCODRIVE GMBH·Filed 1988·Granted Dec 12, 1989·19 cites·15 claims
- 1359US5156247AConnectable or disconnectable viscous couplingVISCODRIVE GMBH·Filed 1990·Granted Oct 20, 1992·24 cites·11 claims
- 1458US5194058ADifferential driveVISCODRIVE GMBH·Filed 1992·Granted Mar 16, 1993·16 cites·3 claims
- 1557US4966265AClutchVISCODRIVE GMBH·Filed 1989·Granted Oct 30, 1990·17 cites·19 claims
- 1656US5314039ADrive assembly for a four wheel drive vehicle, having a disconnectable viscous couplingVISCODRIVE GMBH·Filed 1992·Granted May 24, 1994·12 cites·1 claims
- 1756US5232417ADifferential driveVISCODRIVE GMBH·Filed 1992·Granted Aug 3, 1993·15 cites·22 claims
- 1856US5041065AViscous shear couplings and plates thereforVISCODRIVE GMBH·Filed 1989·Granted Aug 20, 1991·11 cites·18 claims
- 1952US5295922ADifferential driveVISCODRIVE GMBH·Filed 1992·Granted Mar 22, 1994·13 cites·7 claims
- 2052US4914980ALimited slip differential assemblyVISCODRIVE GMBH·Filed 1989·Granted Apr 10, 1990·12 cites·13 claims
- 2150US5054596ASpacing means for spacing plates in a fluid friction couplingVISCODRIVE GMBH·Filed 1990·Granted Oct 8, 1991·11 cites·20 claims
- 2250US4989687AViscous shear couplingsVISCODRIVE GMBH·Filed 1989·Granted Feb 5, 1991·11 cites·20 claims
- 2348US5188194ADrive assembly for a four wheel drive vehicleVISCODRIVE GMBH·Filed 1991·Granted Feb 23, 1993·16 cites·15 claims
- 2442US5186764AMethod and apparatus for treating plates with gasVISCODRIVE GMBH·Filed 1991·Granted Feb 16, 1993·13 cites·17 claims
- 2541US5080211AViscous coupling having plates with index recessesVISCODRIVE GMBH·Filed 1990·Granted Jan 14, 1992·7 cites·7 claims
- 2638US4874058AViscous shear couplingVISCODRIVE GMBH·Filed 1988·Granted Oct 17, 1989·7 cites·20 claims
- 2738US4846299ACoupling assembliesVISCODRIVE GMBH·Filed 1988·Granted Jul 11, 1989·5 cites·19 claims
- 2834US4889206AViscous shear couplingVISCODRIVE GMBH·Filed 1988·Granted Dec 26, 1989·6 cites·19 claims
- 2933US5101951AViscous coupling with plastic housing or hub with metallic retaining partsVISCODRIVE GMBH·Filed 1991·Granted Apr 7, 1992·4 cites·25 claims
- 3033US5060775AFluid friction couplingVISCODRIVE GMBH·Filed 1990·Granted Oct 29, 1991·3 cites·7 claims
- 3131US5044480AFluid friction couplingVISCODRIVE GMBH·Filed 1990·Granted Sep 3, 1991·3 cites·12 claims
- 3230US5162023AViscous shear couplings and plates thereforVISCODRIVE GMBH·Filed 1991·Granted Nov 10, 1992·2 cites·14 claims
- 3330US5101948AViscous coupling for a drive assemblyVISCODRIVE GMBH·Filed 1990·Granted Apr 7, 1992·2 cites·7 claims
- 3428US5098353ASpur gear differential lockable to a limited extentVISCODRIVE GMBH·Filed 1990·Granted Mar 24, 1992·1 cites·6 claims
- 3526US5295908ASpacing mechanism for the plates of a fluid friction couplingVISCODRIVE GMBH·Filed 1993·Granted Mar 22, 1994·5 cites·3 claims
- 3626US5090534ASpacing ring for spacing the plates of a viscous couplingVISCODRIVE GMBH·Filed 1990·Granted Feb 25, 1992·2 cites·7 claims
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