Inventor

GRIFFEN PETER J

GB4 patents

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

CUMMINS ENGINE CO INC

3 patents

US5638271AJun 10, 1997

Apparatus and method for assisting gear engagement in controlling the automatic shifting of a manual-automatic transmission

CUMMINS ENGINE CO INC58 citations93

US5343780ASep 6, 1994

Variable power drivetrain engine control system

CUMMINS ENGINE CO INC71 citations92

US5609548AMar 11, 1997

Apparatus and method for commanding a gear after an aborted shift attempt in controlling a manual-automatic transmission

CUMMINS ENGINE CO INC25 citations91

CUMMINS ELECTRONICS

1 patent

US5498195AMar 12, 1996

Apparatus and method for verifying gear engagement in controlling the automatic shifting of a manual-automatic transmission

CUMMINS ELECTRONICS43 citations91