Inventor
STEPHENSON DWIGHT B
US46 patents
⚠️ This page may combine multiple inventors who share the name “STEPHENSON DWIGHT B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EATON CORP
24 patentsUS4967362AOct 30, 1990
Automatic steering apparatus for crop vehicle
EATON CORP94 citations95
US5732789AMar 31, 1998
Articulated vehicle steering with bogie feedback
EATON CORP23 citations93
US6202016B1Mar 13, 2001
Shift on the go transmission system
EATON CORP52 citations92
US5019983AMay 28, 1991
Automatic steering apparatus using reflected signals
EATON CORP50 citations92
US4958493ASep 25, 1990
Open-center steering control unit with flow amplification
EATON CORP29 citations92
US4804016AFeb 14, 1989
Fluid controller with improved pressure balancing
EATON CORP34 citations92
US5620026AApr 15, 1997
Fluid controller and improved backflow prevention therefor
EATON CORP25 citations91
US5303636AApr 19, 1994
Fluid controller and logic control system for use therewith
EATON CORP32 citations91
US6068460AMay 30, 2000
Two speed gerotor motor with pressurized recirculation
EATON CORP23 citations90
US6062332AMay 16, 2000
Hydrostatic vehicle drive system having improved control thereof
EATON CORP31 citations86
US6076349AJun 20, 2000
Hydrostatic automotive or high speed steering system
EATON CORP16 citations84
US5101860AApr 7, 1992
Fluid controller and improved check valve arrangement therefor
EATON CORP18 citations74
US5080135AJan 14, 1992
Large deflection angle rotary modulation steering valve
EATON CORP13 citations74
US5016672AMay 21, 1991
Steering controller with integral parallel control
EATON CORP12 citations74
USRE34746EOct 4, 1994
Open-center steering control unit with flow amplification
EATON CORP12 citations73
US5186212AFeb 16, 1993
Fluid controller having axial modulation
EATON CORP16 citations73
US5115640AMay 26, 1992
Fluid controller and logic control system for use therewith
EATON CORP16 citations72
US5186211AFeb 16, 1993
Fluid controlled having variable ancillary control functions
EATON CORP10 citations71
US5065793ANov 19, 1991
Fluid controller with load sensing priority flow control capability
EATON CORP19 citations69
US5129424AJul 14, 1992
Fluid controller with integral auxiliary valving
EATON CORP13 citations68
US5404722AApr 11, 1995
Torque generator with reduced backlash
EATON CORP3 citations63
US5161577ANov 10, 1992
Fluid controller having rotary/axial valving, and spring arrangement therefor
EATON CORP2 citations63
US5329969AJul 19, 1994
Fluid controller with joystick capability and actuator therefor
EATON CORP6 citations61
US5042250AAug 27, 1991
High-back pressure power steering device
EATON CORP5 citations60
HUSCO INT INC
16 patentsUS7487707B2Feb 10, 2009
Hydraulic valve assembly with a pressure compensated directional spool valve and a regeneration shunt valve
HUSCO INT INC63 citations98
US6502393B1Jan 7, 2003
Hydraulic system with cross function regeneration
HUSCO INT INC178 citations97
US6467264B1Oct 22, 2002
Hydraulic circuit with a return line metering valve and method of operation
HUSCO INT INC169 citations97
US6328275B1Dec 11, 2001
Bidirectional pilot operated control valve
HUSCO INT INC110 citations97
US6715402B2Apr 6, 2004
Hydraulic control circuit for operating a split actuator mechanical mechanism
HUSCO INT INC60 citations96
US7823379B2Nov 2, 2010
Energy recovery and reuse methods for a hydraulic system
HUSCO INT INC46 citations92
US6705079B1Mar 16, 2004
Apparatus for controlling bounce of hydraulically powered equipment
HUSCO INT INC46 citations92
US6457487B1Oct 1, 2002
Hydraulic system with three electrohydraulic valves for controlling fluid flow to a load
HUSCO INT INC42 citations91
US7270046B2Sep 18, 2007
Integrated valve assembly and computer controller for a distributed hydraulic control system
HUSCO INT INC21 citations90
USD542307SMay 8, 2007
Hydraulic valve manifold block
HUSCO INT INC19 citations90
US7341236B2Mar 11, 2008
Pilot operated valve with a pressure balanced poppet
HUSCO INT INC24 citations89
US7409825B2Aug 12, 2008
Hydraulic system with a cylinder isolation valve
HUSCO INT INC9 citations84
US6398182B1Jun 4, 2002
Pilot solenoid control valve with an emergency operator
HUSCO INT INC17 citations84
US7753078B2Jul 13, 2010
Hybrid hydraulic joystick with an integral pressure sensor and an outlet port
HUSCO INT INC8 citations82
US6647718B2Nov 18, 2003
Electronically controlled hydraulic system for lowering a boom in an emergency
HUSCO INT INC11 citations74
USD540347SApr 10, 2007
Electronic controller and hydraulic valve block assembly
HUSCO INT INC3 citations60