Inventor
KOEHLER DOUGLAS W
US14 patents
⚠️ This page may combine multiple inventors who share the name “KOEHLER DOUGLAS W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CATERPILLAR INC
12 patentsUS5960695AOct 5, 1999
System and method for controlling an independent metering valve
CATERPILLAR INC142 citations98
US5678470AOct 21, 1997
Tilt priority scheme for a control system
CATERPILLAR INC61 citations96
US5947140ASep 7, 1999
System and method for controlling an independent metering valve
CATERPILLAR INC68 citations95
US6446433B1Sep 10, 2002
Hydraulic control system for improving pump response and dynamic matching of pump and valve
CATERPILLAR INC21 citations92
US6173572B1Jan 16, 2001
Method and apparatus for controlling a bypass valve of a fluid circuit
CATERPILLAR INC42 citations92
US5664477ASep 9, 1997
Control system for a hydraulic circuit
CATERPILLAR INC21 citations92
US6199378B1Mar 13, 2001
Off-setting rate of pressure rise in a fluid system
CATERPILLAR INC30 citations91
US6257118B1Jul 10, 2001
Method and apparatus for controlling the actuation of a hydraulic cylinder
CATERPILLAR INC40 citations88
US6609369B2Aug 26, 2003
System and method of pressure compensation for electro hydraulic control systems
CATERPILLAR INC19 citations82
US6357276B1Mar 19, 2002
System and method for calibrating a independent metering valve
CATERPILLAR INC18 citations82
US7926267B2Apr 19, 2011
Hystat transmission having pressure override control
CATERPILLAR INC18 citations79
US5878363AMar 2, 1999
Control to improve dump while lifting
CATERPILLAR INC6 citations62