Inventor · disambiguated record
Joshua E. Lehrmann
Also filed as: LEHRMANN JOSHUA E
6 granted patents·61 citations·filing 2006–2011
81Inventor score
Top patents by PatentIndex Score
6 records- 0193US7473199B2Two-planetary electrically variable transmissions with multiple fixed ratiosGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Jan 6, 2009·27 cites·17 claims
- 0281US7387586B2Three planetary electrically variable transmissions with mechanical reverseGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Jun 17, 2008·15 cites·17 claims
- 0378US7752935B2Control system for a multi-speed transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Jul 13, 2010·11 cites·22 claims
- 0467US7896775B2Control system for electronic range selection in a dual clutch transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Mar 1, 2011·5 cites·16 claims
- 0559US7828684B2Control system for a differential in a transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Nov 9, 2010·3 cites·19 claims
- 0636US8771120B2Control system for electronic range selection in a dual clutch transmission and for a differential in a transmissionVERNACCHIA MARK A·Filed 2011·Granted Jul 8, 2014·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →