Inventor
O'NEILL WILLIAM N
US14 patents
⚠️ This page may combine multiple inventors who share the name “O'NEILL WILLIAM N”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CATERPILLAR INC
11 patentsUS6305162B1Oct 23, 2001
Method and apparatus for controlling the deadband of a fluid system
CATERPILLAR INC46 citations91
US6170526B1Jan 9, 2001
Piezoelectric actuated poppet valve to modulate pilot pressures and control main valve activation
CATERPILLAR INC17 citations91
US6131606AOct 17, 2000
Moving check valve seat providing high pressure relief
CATERPILLAR INC23 citations91
US5360288ANov 1, 1994
Cleaner tooth for compacting machines
CATERPILLAR INC32 citations87
US6206341B1Mar 27, 2001
Piezoelectric actuated poppet valve to modulate pilot pressures and control main valve activation
CATERPILLAR INC7 citations72
US6202670B1Mar 20, 2001
Piezoelectric actuated poppet value to modulate pilot pressures and control main valve activation
CATERPILLAR INC11 citations72
US11428336B2Aug 30, 2022
Ball float vent valve
CATERPILLAR INC3 citations64
US12172711B2Dec 24, 2024
Fault detection for secondary steering system
CATERPILLAR INC0 citations61
US11654815B2May 23, 2023
Closed center hoist valve with snubbing
CATERPILLAR INC0 citations44
US10047502B2Aug 14, 2018
System and method for controlling a work implement of a machine
CATERPILLAR INC0 citations39
US9863120B2Jan 9, 2018
System and method for controlling a machine implement
CATERPILLAR INC0 citations39