Inventor
DUPPONG GERALD J
US7 patents
Patents
7 patentsUS6018895AFeb 1, 2000
Valve stack in a mini-excavator directing fluid under pressure from multiple pumps to actuable elements
CLARK EQUIPMENT CO27 citations91
US7690880B2Apr 6, 2010
Locking device for hydraulic attachment interface
CLARK EQUIPMENT CO20 citations87
US6322104B1Nov 27, 2001
Excavator frame and method of assembly
CLARK EQUIPMENT CO29 citations84
US6357231B1Mar 19, 2002
Hydraulic pump circuit for mini excavators
CLARK EQUIPMENT CO16 citations82
US10494790B2Dec 3, 2019
Ride control system for power machine
CLARK EQUIPMENT CO8 citations80
US6526846B1Mar 4, 2003
Folding foot pedal for vehicle drive control
CLARK EQUIPMENT CO13 citations76
US6029446AFeb 29, 2000
Multifunction valve stack
CLARK EQUIPMENT CO7 citations72