Inventor · disambiguated record
Dennis R. Barber
Also filed as: BARBER DENNIS · BARBER DENNIS R · BARBER DENNIS RAY
19 granted patents·2 pending applications·366 citations·filing 1985–2015
95Inventor score
Top patents by PatentIndex Score
21 records- 0196US6698523B2Electrohydraulic control system for implement lift cylindersHUSCO INT INC·Filed 2002·Granted Mar 2, 2004·61 cites·9 claims
- 0294US6318079B1Hydraulic control valve system with pressure compensated flow controlHUSCO INT INC·Filed 2000·Granted Nov 20, 2001·50 cites·15 claims
- 0393US6869060B2Hydraulic poppet valve with force feedbackHUSCO INT INC·Filed 2003·Granted Mar 22, 2005·52 cites·20 claims
- 0485US6871574B2Hydraulic control valve assembly having dual directional spool valves with pilot operated check valvesHUSCO INT INC·Filed 2003·Granted Mar 29, 2005·25 cites·17 claims
- 0584US7422033B2Position feedback pilot valve actuator for a spool control valveHUSCO INT INC·Filed 2004·Granted Sep 9, 2008·22 cites·16 claims
- 0683US5921279ASolenoid operated dual spool control valveHUSCO INT INC·Filed 1998·Granted Jul 13, 1999·32 cites·17 claims
- 0776US7415989B2Spool activated lock-out valve for a hydraulic actuator load check valveHUSCO INT INC·Filed 2005·Granted Aug 26, 2008·8 cites·20 claims
- 0875US9897228B2Valve having opposing right-angle actuatorsCATERPILLAR INC·Filed 2015·Granted Feb 20, 2018·2 cites·17 claims
- 0971US7021332B2Hydraulic valve section with reduced bore distortionHUSCO INT INC·Filed 2004·Granted Apr 4, 2006·13 cites·20 claims
- 1070US9366272B2Hydraulic system having low speed operationCATERPILLAR INC·Filed 2013·Granted Jun 14, 2016·5 cites·18 claims
- 1170US6269885B1Blade height control system for a motorized graderHUSCO INT INC·Filed 1999·Granted Aug 7, 2001·36 cites·16 claims
- 1269US4967851AAgricultural depth control system including cross plumbed series cylindersDEERE & CO·Filed 1989·Granted Nov 6, 1990·21 cites·11 claims
- 1366US9915368B2Electrohydraulic valve having dual-action right-angle pilot actuatorCATERPILLAR INC·Filed 2015·Granted Mar 13, 2018·1 cites·13 claims
- 1459US9371843B2Failsafe pilot supply selector valveCATERPILLAR INC·Filed 2014·Granted Jun 21, 2016·1 cites·11 claims
- 1556US5279121AFlow control valve with pilot operation and pressure compensationEATON CORP·Filed 1993·Granted Jan 18, 1994·17 cites·10 claims
- 1648US5201174AAuxiliary hydraulic pump systemDEERE & CO·Filed 1991·Granted Apr 13, 1993·15 cites·4 claims
- 1744US9803661B2Valve having right-angle proportional and directional pilot actuatorsCATERPILLAR INC·Filed 2015·Granted Oct 31, 2017·0 cites·19 claims
- 1844US7434392B2Configurable hydraulic system for agricultural tractor and implement combinationHUSCO INT INC·Filed 2004·Granted Oct 14, 2008·1 cites·15 claims
- 1938US2007045069A1Active vehicle suspension with integrated load levelingHUSCO INT INC·Filed 2005·Application pending·0 cites
- 2035US4713936AMotor seal protector valveDEERE & CO·Filed 1985·Granted Dec 22, 1987·4 cites·3 claims
- 2135US2005082127A1Passive vehicle suspension system with semi-active roll dampingFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →