Inventor · disambiguated record
Ralf Sperber
Also filed as: SPERBER RALF
5 granted patents·302 citations·filing 1998–1999
85Inventor score
Files withDAIMLER CHRYSLER AG5
Top patents by PatentIndex Score
5 records- 0195US6250171B1Variable-ratio gear transmission having two partial transmissions each having a powershift clutchDAIMLER CHRYSLER AG·Filed 1999·Granted Jun 26, 2001·89 cites·15 claims
- 0292US6209407B1Toothed gear transmission having two partial transmissions disposed parallel to each other in the power flowDAIMLER CHRYSLER AG·Filed 1999·Granted Apr 3, 2001·104 cites·13 claims
- 0391US6209406B1Toothed gear transmission having two partial transmissions disposed parallel to each other in the power flowDAIMLER CHRYSLER AG·Filed 1999·Granted Apr 3, 2001·56 cites·21 claims
- 0483US6595077B1Gear wheel variable transmission with two sub-gears arranged parallel to each other in the power flowDAIMLER CHRYSLER AG·Filed 1999·Granted Jul 22, 2003·39 cites·22 claims
- 0555US6296100B1Coupling tooth of a selector sleeve of a gear coupling for coupling a gear wheel to its shaftDAIMLER CHRYSLER AG·Filed 1998·Granted Oct 2, 2001·14 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →