Inventor
HAPKA ROGER J
US7 patents
⚠️ This page may combine multiple inventors who share the name “HAPKA ROGER J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CUMMINS ENGINE CO INC
5 patentsUS5619412AApr 8, 1997
Remote control of engine idling time
CUMMINS ENGINE CO INC381 citations97
US5070832ADec 10, 1991
Engine protection system
CUMMINS ENGINE CO INC181 citations97
US6306063B1Oct 23, 2001
System for controlling combustion engine performance in accordance with driver behavior
CUMMINS ENGINE CO INC114 citations94
US5954617ASep 21, 1999
System for controlling internal combustion engine performance in accordance with driver behavior
CUMMINS ENGINE CO INC71 citations92
US4771739ASep 20, 1988
Cooling system for an internal combustion engine
CUMMINS ENGINE CO INC5 citations61