BF

Brian D. Francis

General Motors: 3 patents #4,693 of 18,328Top 30%
Overall (All Time): #1,523,715 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9157825 Engine knock diagnostic Wajdi B. Hamama, Craig M. Sawdon, Eric Ferch, Hamid M. Esfahan, John F. Van Gilder +1 more 2015-10-13
7885756 Multi-pulse spark ignition direct injection torque based system Michael Livshiz, Jeffrey M. Kaiser, Christopher R. Graham, Christopher E. Whitney, Robert Francis Semrau 2011-02-08
7878175 Torque reserve and emission control system for coordinated torque control Michael Livshiz, Jeffrey M. Kaiser, Christopher R. Graham, Christopher E. Whitney, Robert Francis Semrau 2011-02-01