Inventor · disambiguated record
James A. Aardema
Also filed as: AARDEMA JAMES A · AARDEMA JAMES ALVIN
18 granted patents·5 pending applications·669 citations·filing 1988–2015
96Inventor score
Files withCATERPILLAR INC11CATERPILLAR PAVING PRODUCTS INC3MA PENGFEI2AARDEMA JAMES A1AARDEMA JAMES ALVIN1
Top patents by PatentIndex Score
23 records- 0198US5960695ASystem and method for controlling an independent metering valveCATERPILLAR INC·Filed 1997·Granted Oct 5, 1999·142 cites·31 claims
- 0297US5568759AHydraulic circuit having dual electrohydraulic control valvesCATERPILLAR INC·Filed 1995·Granted Oct 29, 1996·92 cites·5 claims
- 0396US5947140ASystem and method for controlling an independent metering valveCATERPILLAR INC·Filed 1998·Granted Sep 7, 1999·68 cites·11 claims
- 0495US9651067B2Hydraulic system with a dynamic sealCATERPILLAR INC·Filed 2013·Granted May 16, 2017·29 cites·4 claims
- 0593US8635903B2Method and system for compaction measurementOETKEN NICHOLAS A·Filed 2010·Granted Jan 28, 2014·79 cites·20 claims
- 0691US10024708B2Cold planer yield measurement systemCATERPILLAR PAVING PRODUCTS INC·Filed 2015·Granted Jul 17, 2018·7 cites·11 claims
- 0787US5137254APressure compensated flow amplifying poppet valveCATERPILLAR INC·Filed 1991·Granted Aug 11, 1992·57 cites·24 claims
- 0886US5645263APilot valve for a flow amplyifying poppet valveCATERPILLAR INC·Filed 1993·Granted Jul 8, 1997·54 cites·11 claims
- 0982US5906351AIntegrated electrohydraulic actuatorCATERPILLAR INC·Filed 1997·Granted May 25, 1999·30 cites·15 claims
- 1081US6199378B1Off-setting rate of pressure rise in a fluid systemCATERPILLAR INC·Filed 1999·Granted Mar 13, 2001·30 cites·7 claims
- 1176US8424836B2Bidirectional force feedback poppet valveMA PENGFEI·Filed 2006·Granted Apr 23, 2013·10 cites·25 claims
- 1274US8631650B2Hydraulic system and method for controlVERKUILEN MICHAEL T·Filed 2010·Granted Jan 21, 2014·7 cites·20 claims
- 1369US9464580B2Torque limit controlCATERPILLAR PAVING PRODUCTS INC·Filed 2014·Granted Oct 11, 2016·2 cites·6 claims
- 1463US7293579B2Poppet valve arrangementsCATERPILLAR INC·Filed 2004·Granted Nov 13, 2007·11 cites·9 claims
- 1562US8479504B2Hydraulic system having an external pressure compensatorKERCKHOVE PHILIPPE VANDE·Filed 2009·Granted Jul 9, 2013·5 cites·20 claims
- 1661US9975538B2Milling machine fuel efficiency control systemCATERPILLAR PAVING PRODUCTS INC·Filed 2015·Granted May 22, 2018·1 cites·13 claims
- 1758US5880957AMethod for programming hydraulic implement control systemCATERPILLAR INC·Filed 1996·Granted Mar 9, 1999·27 cites·8 claims
- 1851US4832321AVariable stiffness spring suspensionUS ARMY·Filed 1988·Granted May 23, 1989·18 cites·10 claims
- 1944US2015345628A1Power management system and method for power generation apparatusCATERPILLAR PAVING PROD·Filed 2014·Application pending·0 cites
- 2043US2007290152A1Poppet valveMA PENGFEI·Filed 2006·Application pending·0 cites
- 2142US2013136535A1Paving system utilizing capsules enclosing a dyeAARDEMA JAMES A·Filed 2011·Application pending·0 cites
- 2238US2013136539A1Paving system utilizing embedded measuring devicesAARDEMA JAMES ALVIN·Filed 2011·Application pending·0 cites
- 2338US2008295681A1Hydraulic system having an external pressure compensatorCATERPILLAR INC·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →