Inventor · disambiguated record
Dwight B. Stephenson
Also filed as: STEPHENSON DWIGHT · STEPHENSON DWIGHT B · STEPHENSON DWIGHT BRUCE
51 granted patents·4 pending applications·1,709 citations·filing 1980–2016
99Inventor score
Top patents by PatentIndex Score
55 records- 0199US7487707B2Hydraulic valve assembly with a pressure compensated directional spool valve and a regeneration shunt valveHUSCO INT INC·Filed 2006·Granted Feb 10, 2009·63 cites·27 claims
- 0299US6467264B1Hydraulic circuit with a return line metering valve and method of operationHUSCO INT INC·Filed 2001·Granted Oct 22, 2002·169 cites·28 claims
- 0398US7905088B2Energy recovery and reuse techniques for a hydraulic systemINCOVA TECHNOLOGIES INC·Filed 2007·Granted Mar 15, 2011·64 cites·32 claims
- 0498US4967362AAutomatic steering apparatus for crop vehicleEATON CORP·Filed 1989·Granted Oct 30, 1990·94 cites·12 claims
- 0597US7823379B2Energy recovery and reuse methods for a hydraulic systemHUSCO INT INC·Filed 2007·Granted Nov 2, 2010·46 cites·26 claims
- 0697US6715402B2Hydraulic control circuit for operating a split actuator mechanical mechanismHUSCO INT INC·Filed 2002·Granted Apr 6, 2004·60 cites·26 claims
- 0797US6502393B1Hydraulic system with cross function regenerationHUSCO INT INC·Filed 2000·Granted Jan 7, 2003·178 cites·26 claims
- 0896US6397655B1Auto-calibration of a solenoid operated valveHUSCO INT INC·Filed 2000·Granted Jun 4, 2002·53 cites·11 claims
- 0996US6328275B1Bidirectional pilot operated control valveHUSCO INT INC·Filed 2000·Granted Dec 11, 2001·110 cites·20 claims
- 1095US10125750B2Radial piston pump assemblies and use thereof in hydraulic circuitsHUSCO INT INC·Filed 2016·Granted Nov 13, 2018·98 cites·27 claims
- 1195US6705079B1Apparatus for controlling bounce of hydraulically powered equipmentHUSCO INT INC·Filed 2002·Granted Mar 16, 2004·46 cites·21 claims
- 1293US6457487B1Hydraulic system with three electrohydraulic valves for controlling fluid flow to a loadHUSCO INT INC·Filed 2001·Granted Oct 1, 2002·42 cites·12 claims
- 1391US6202016B1Shift on the go transmission systemEATON CORP·Filed 1999·Granted Mar 13, 2001·52 cites·12 claims
- 1489US7341236B2Pilot operated valve with a pressure balanced poppetHUSCO INT INC·Filed 2006·Granted Mar 11, 2008·24 cites·20 claims
- 1589US5019983AAutomatic steering apparatus using reflected signalsEATON CORP·Filed 1989·Granted May 28, 1991·50 cites·6 claims
- 1687US7270046B2Integrated valve assembly and computer controller for a distributed hydraulic control systemHUSCO INT INC·Filed 2005·Granted Sep 18, 2007·21 cites·24 claims
- 1785US6330798B1Hydraulic system with shadow poppet valveHUSCO INT INC·Filed 2000·Granted Dec 18, 2001·24 cites·11 claims
- 1882US4821514APressure flow compensating control circuitDEERE & CO·Filed 1987·Granted Apr 18, 1989·36 cites·20 claims
- 1980US8926298B2Hydraulic piston pump with a variable displacement throttle mechanismRAJPUT PRASHANT K·Filed 2012·Granted Jan 6, 2015·7 cites·26 claims
- 2080US7409825B2Hydraulic system with a cylinder isolation valveHUSCO INT INC·Filed 2006·Granted Aug 12, 2008·9 cites·21 claims
- 2180US6062332AHydrostatic vehicle drive system having improved control thereofEATON CORP·Filed 1998·Granted May 16, 2000·31 cites·15 claims
- 2279US7753078B2Hybrid hydraulic joystick with an integral pressure sensor and an outlet portHUSCO INT INC·Filed 2008·Granted Jul 13, 2010·8 cites·13 claims
- 2378US6398182B1Pilot solenoid control valve with an emergency operatorHUSCO INT INC·Filed 2000·Granted Jun 4, 2002·17 cites·17 claims
- 2478US4804016AFluid controller with improved pressure balancingEATON CORP·Filed 1988·Granted Feb 14, 1989·34 cites·9 claims
- 2577US8869521B2Fluid working machine with cylinders coupled to split exterior ports by electrohydraulic valvesSTEPHENSON DWIGHT B·Filed 2010·Granted Oct 28, 2014·7 cites·29 claims
- 2674US4958493AOpen-center steering control unit with flow amplificationEATON CORP·Filed 1989·Granted Sep 25, 1990·29 cites·16 claims
- 2770USD542307SHydraulic valve manifold blockHUSCO INT INC·Filed 2005·Granted May 8, 2007·19 cites·1 claims
- 2870US5303636AFluid controller and logic control system for use therewithEATON CORP·Filed 1992·Granted Apr 19, 1994·32 cites·5 claims
- 2968US6647718B2Electronically controlled hydraulic system for lowering a boom in an emergencyHUSCO INT INC·Filed 2001·Granted Nov 18, 2003·11 cites·18 claims
- 3067US6068460ATwo speed gerotor motor with pressurized recirculationEATON CORP·Filed 1998·Granted May 30, 2000·23 cites·9 claims
- 3164US5620026AFluid controller and improved backflow prevention thereforEATON CORP·Filed 1995·Granted Apr 15, 1997·25 cites·12 claims
- 3261US5065793AFluid controller with load sensing priority flow control capabilityEATON CORP·Filed 1991·Granted Nov 19, 1991·19 cites·34 claims
- 3360US4648803AControl circuit and control valve for radial piston pumpDEERE & CO·Filed 1985·Granted Mar 10, 1987·18 cites·18 claims
- 3459US5732789AArticulated vehicle steering with bogie feedbackEATON CORP·Filed 1996·Granted Mar 31, 1998·23 cites·16 claims
- 3558US5101860AFluid controller and improved check valve arrangement thereforEATON CORP·Filed 1991·Granted Apr 7, 1992·18 cites·11 claims
- 3654US5186212AFluid controller having axial modulationEATON CORP·Filed 1992·Granted Feb 16, 1993·16 cites·20 claims
- 3750US6076349AHydrostatic automotive or high speed steering systemEATON CORP·Filed 1999·Granted Jun 20, 2000·16 cites·6 claims
- 3848US5115640AFluid controller and logic control system for use therewithEATON CORP·Filed 1991·Granted May 26, 1992·16 cites·8 claims
- 3947USRE34746EOpen-center steering control unit with flow amplificationEATON CORP·Filed 1992·Granted Oct 4, 1994·12 cites·16 claims
- 4046US2014202325A1Compact Radial Piston Hydraulic Machine Having a Cylinder Block with Deforming RegionsHUSCO INT INC·Filed 2014·Application pending·0 cites
- 4145US5080135ALarge deflection angle rotary modulation steering valveEATON CORP·Filed 1990·Granted Jan 14, 1992·13 cites·27 claims
- 4244US5136844AController with reduced travel limit slipEATON CORPORTAION·Filed 1990·Granted Aug 11, 1992·16 cites·13 claims
- 4343US5016672ASteering controller with integral parallel controlEATON CORP·Filed 1990·Granted May 21, 1991·12 cites·36 claims
- 4440US5129424AFluid controller with integral auxiliary valvingEATON CORP·Filed 1991·Granted Jul 14, 1992·13 cites·14 claims
- 4540US2008034957A1Hydraulic Actuator Control Circuit With Pressure Operated Counterbalancing ValvesSTEPHENSON DWIGHT B·Filed 2006·Application pending·0 cites
- 4639US2007157980A1Pilot operated control valve having a two stage poppetHUSCO INT INC·Filed 2006·Application pending·0 cites
- 4738US5186211AFluid controlled having variable ancillary control functionsEATON CORP·Filed 1992·Granted Feb 16, 1993·10 cites·16 claims
- 4837US2012111185A1Compact Eccentric Radial Piston Hydraulic MachineSTEPHENSON DWIGHT B·Filed 2010·Application pending·0 cites
- 4936USD540347SElectronic controller and hydraulic valve block assemblyHUSCO INT INC·Filed 2005·Granted Apr 10, 2007·3 cites·1 claims
- 5034US5329969AFluid controller with joystick capability and actuator thereforEATON CORP·Filed 1993·Granted Jul 19, 1994·6 cites·44 claims
Showing the top 50 of 55 patent records by PatentIndex Score.
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