Inventor
LUNZMAN STEPHEN V
US19 patents
⚠️ This page may combine multiple inventors who share the name “LUNZMAN STEPHEN V”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CATERPILLAR INC
17 patentsUS5967756AOct 19, 1999
Power management control system for a hydraulic work machine
CATERPILLAR INC68 citations96
US5951258ASep 14, 1999
Torque limiting control system for a hydraulic work machine
CATERPILLAR INC72 citations96
US5680760AOct 28, 1997
Hydraulic drive system
CATERPILLAR INC72 citations96
US5490384AFeb 13, 1996
Hydraulic flow priority system
CATERPILLAR INC57 citations96
US5366202ANov 22, 1994
Displacement controlled hydraulic proportional valve
CATERPILLAR INC72 citations96
US5267441ADec 7, 1993
Method and apparatus for limiting the power output of a hydraulic system
CATERPILLAR INC75 citations96
US5182908AFeb 2, 1993
Control system for integrating a work attachment to a work vehicle
CATERPILLAR INC83 citations96
US6725131B2Apr 20, 2004
System and method for controlling hydraulic flow
CATERPILLAR INC40 citations92
US5701933ADec 30, 1997
Hydraulic control system having a bypass valve
CATERPILLAR INC52 citations92
US5560387AOct 1, 1996
Hydraulic flow priority system
CATERPILLAR INC29 citations92
US5540049AJul 30, 1996
Control system and method for a hydraulic actuator with velocity and force modulation control
CATERPILLAR INC34 citations92
US5305681AApr 26, 1994
Hydraulic control apparatus
CATERPILLAR INC42 citations92
US5299420AApr 5, 1994
Redundant control system for a work vehicle
CATERPILLAR INC41 citations92
US5249421AOct 5, 1993
Hydraulic control apparatus with mode selection
CATERPILLAR INC46 citations92
US5197864AMar 30, 1993
On-off pressure cutoff control for a variable displacement hydraulic pump
CATERPILLAR INC21 citations92
US7441404B2Oct 28, 2008
Configurable hydraulic control system
CATERPILLAR INC21 citations90
US5348115ASep 20, 1994
Cruise control for hydraulically driven vehicle
CATERPILLAR INC16 citations74