Inventor

SEMRAU ROBERT FRANCIS

US3 patents

⚠️ This page may combine multiple inventors who share the name “SEMRAU ROBERT FRANCIS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GM GLOBAL TECHNOLOGIES OPERATIONS INC

1 patent

US7885756B2Feb 8, 2011

Multi-pulse spark ignition direct injection torque based system

GM GLOBAL TECHNOLOGIES OPERATIONS INC44 citations95

GEN MOTORS CORP

1 patent

US5666932ASep 16, 1997

EGR valve maintenance method

GEN MOTORS CORP22 citations90

GM GLOBAL TECH OPERATIONS INC

1 patent

US7878175B2Feb 1, 2011

Torque reserve and emission control system for coordinated torque control

GM GLOBAL TECH OPERATIONS INC11 citations82