Inventor
AARDEMA JAMES A
US16 patents
⚠️ This page may combine multiple inventors who share the name “AARDEMA JAMES A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CATERPILLAR INC
10 patentsUS5960695AOct 5, 1999
System and method for controlling an independent metering valve
CATERPILLAR INC142 citations98
US5568759AOct 29, 1996
Hydraulic circuit having dual electrohydraulic control valves
CATERPILLAR INC92 citations96
US5137254AAug 11, 1992
Pressure compensated flow amplifying poppet valve
CATERPILLAR INC57 citations96
US5947140ASep 7, 1999
System and method for controlling an independent metering valve
CATERPILLAR INC68 citations95
US5645263AJul 8, 1997
Pilot valve for a flow amplyifying poppet valve
CATERPILLAR INC54 citations92
US6199378B1Mar 13, 2001
Off-setting rate of pressure rise in a fluid system
CATERPILLAR INC30 citations91
US5906351AMay 25, 1999
Integrated electrohydraulic actuator
CATERPILLAR INC30 citations91
US9651067B2May 16, 2017
Hydraulic system with a dynamic seal
CATERPILLAR INC29 citations90
US5880957AMar 9, 1999
Method for programming hydraulic implement control system
CATERPILLAR INC27 citations89
US7293579B2Nov 13, 2007
Poppet valve arrangements
CATERPILLAR INC11 citations83