Inventor · disambiguated record
Brian D. Francis
Also filed as: FRANCIS BRIAN D
3 granted patents·57 citations·filing 2008–2009
71Inventor score
Top patents by PatentIndex Score
3 records- 0195US7885756B2Multi-pulse spark ignition direct injection torque based systemGM GLOBAL TECHNOLOGIES OPERATIONS INC·Filed 2009·Granted Feb 8, 2011·44 cites·20 claims
- 0284US7878175B2Torque reserve and emission control system for coordinated torque controlGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Feb 1, 2011·11 cites·20 claims
- 0350US9157825B2Engine knock diagnosticHAMAMA WAJDI B·Filed 2008·Granted Oct 13, 2015·2 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →