Assignee
VISCODRIVE GMBH
DE36 patents
Top patents by PatentIndex Score
US5342256AAug 30, 1994
Differential gear system
VISCODRIVE GMBH24 citations92
US5234072AAug 10, 1993
Drive assembly for a four wheel drive vehicle
VISCODRIVE GMBH26 citations92
US5194054AMar 16, 1993
Differential drive
VISCODRIVE GMBH23 citations92
US5122102AJun 16, 1992
Differential drive
VISCODRIVE GMBH25 citations92
US5004085AApr 2, 1991
Fluid friction coupling with closing slide
VISCODRIVE GMBH27 citations92
US5156247AOct 20, 1992
Connectable or disconnectable viscous coupling
VISCODRIVE GMBH24 citations91
US4982808AJan 8, 1991
Viscous shear coupling
VISCODRIVE GMBH28 citations90
US5547430AAug 20, 1996
Drive assembly for a four wheel drive vehicle having a first and second viscous coupling
VISCODRIVE GMBH37 citations89
US5259488ANov 9, 1993
Fluid friction coupling
VISCODRIVE GMBH22 citations89
US5041069AAug 20, 1991
Drive assembly for a motor vehicle
VISCODRIVE GMBH46 citations86
US5174408ADec 29, 1992
Drive assembly for a four wheel drive vehicle, having a disconnectable viscous coupling
VISCODRIVE GMBH17 citations81
US5295922AMar 22, 1994
Differential drive
VISCODRIVE GMBH13 citations73
US5232417AAug 3, 1993
Differential drive
VISCODRIVE GMBH15 citations73
US5194058AMar 16, 1993
Differential drive
VISCODRIVE GMBH16 citations73
US5041065AAug 20, 1991
Viscous shear couplings and plates therefor
VISCODRIVE GMBH11 citations73
US4989687AFeb 5, 1991
Viscous shear couplings
VISCODRIVE GMBH11 citations73
US4874058AOct 17, 1989
Viscous shear coupling
VISCODRIVE GMBH7 citations73
US5314039AMay 24, 1994
Drive assembly for a four wheel drive vehicle, having a disconnectable viscous coupling
VISCODRIVE GMBH12 citations72
US5080211AJan 14, 1992
Viscous coupling having plates with index recesses
VISCODRIVE GMBH7 citations72
US5054596AOct 8, 1991
Spacing means for spacing plates in a fluid friction coupling
VISCODRIVE GMBH11 citations72
US4966265AOct 30, 1990
Clutch
VISCODRIVE GMBH17 citations72
US4914980AApr 10, 1990
Limited slip differential assembly
VISCODRIVE GMBH12 citations71
US5188194AFeb 23, 1993
Drive assembly for a four wheel drive vehicle
VISCODRIVE GMBH16 citations70
US5186764AFeb 16, 1993
Method and apparatus for treating plates with gas
VISCODRIVE GMBH13 citations68
US4885957ADec 12, 1989
Disconnectable transmission assemblies
VISCODRIVE GMBH19 citations68
US5007498AApr 16, 1991
Driving assembly
VISCODRIVE GMBH18 citations66
US5162023ANov 10, 1992
Viscous shear couplings and plates therefor
VISCODRIVE GMBH2 citations62
US5060775AOct 29, 1991
Fluid friction coupling
VISCODRIVE GMBH3 citations62
US5044480ASep 3, 1991
Fluid friction coupling
VISCODRIVE GMBH3 citations62
US5101951AApr 7, 1992
Viscous coupling with plastic housing or hub with metallic retaining parts
VISCODRIVE GMBH4 citations61
US5101948AApr 7, 1992
Viscous coupling for a drive assembly
VISCODRIVE GMBH2 citations61
US4889206ADec 26, 1989
Viscous shear coupling
VISCODRIVE GMBH6 citations61
US4846299AJul 11, 1989
Coupling assemblies
VISCODRIVE GMBH5 citations61
US5090534AFeb 25, 1992
Spacing ring for spacing the plates of a viscous coupling
VISCODRIVE GMBH2 citations57
US5295908AMar 22, 1994
Spacing mechanism for the plates of a fluid friction coupling
VISCODRIVE GMBH5 citations50
US5098353AMar 24, 1992
Spur gear differential lockable to a limited extent
VISCODRIVE GMBH1 citations50