Inventor · disambiguated record
Durrell U. Howard
Also filed as: HOWARD DURRELL U
33 granted patents·1,023 citations·filing 1974–2006
98Inventor score
Top patents by PatentIndex Score
33 records- 0199US4313616ASpeed responsive trailer stabilizer with zero slackHOWARD D U·Filed 1979·Granted Feb 2, 1982·87 cites·81 claims
- 0297US4212483ASteering assembly for towed vehiclesHOWARD D U·Filed 1978·Granted Jul 15, 1980·76 cites·42 claims
- 0393US4410193ARemotely adjustable compensator for centering steering systemsHOWARD D U·Filed 1979·Granted Oct 18, 1983·46 cites·85 claims
- 0491US6520519B2Trimming apparatus for steer wheel control systemsFiled 2002·Granted Feb 18, 2003·45 cites·26 claims
- 0591US4418931ARemotely adjustable steering compensatorHOWARD D U·Filed 1981·Granted Dec 6, 1983·51 cites·42 claims
- 0686US6530585B1Vehicle steering stabilizer with detent ramp in rotary plateFiled 2001·Granted Mar 11, 2003·33 cites·20 claims
- 0785US4534577ARemotely adjustable steering compensatorHOWARD D U·Filed 1983·Granted Aug 13, 1985·37 cites·36 claims
- 0884US7207580B2Precision steer wheel control system with remote trim valve assemblyHOWARD DURRELL U·Filed 2005·Granted Apr 24, 2007·18 cites·29 claims
- 0984US6817620B1Precision steer wheel control system with internal solenoidHOWARD DURRELL U·Filed 2002·Granted Nov 16, 2004·36 cites·15 claims
- 1084US4251941ASelf-threading bobberHOWARD D U·Filed 1979·Granted Feb 24, 1981·34 cites·22 claims
- 1183US6422582B1Center holding assembly for vehicle steering systemsFiled 2000·Granted Jul 23, 2002·24 cites·10 claims
- 1282US5527053ADetent centering compensator for vehicle steering systemsFiled 1994·Granted Jun 18, 1996·48 cites·20 claims
- 1381US6520520B2Steering stabilizer with trimming accumulatorFiled 2002·Granted Feb 18, 2003·27 cites·25 claims
- 1478US5536028APower centering compensator for vehicle steering systemsFiled 1994·Granted Jul 16, 1996·42 cites·28 claims
- 1578US3934543AApparatus for monitoring the condition of a filterSHERWOOD PRODUCTS CORP·Filed 1974·Granted Jan 27, 1976·33 cites·13 claims
- 1677US6994361B2Steer wheel control system with trimmable rotary plateHOWARD DURRELL U·Filed 2003·Granted Feb 7, 2006·17 cites·29 claims
- 1776US5816731ASealed self-adjusting bearing assemblyFiled 1996·Granted Oct 6, 1998·37 cites·25 claims
- 1876US5259576AExternal sliding aircraft doorHOWARD D U·Filed 1992·Granted Nov 9, 1993·45 cites·12 claims
- 1976US4306126ABattery cable switchHOWARD D U·Filed 1979·Granted Dec 15, 1981·16 cites·18 claims
- 2073US6065561APower steering system with controlled centeringFiled 1998·Granted May 23, 2000·37 cites·15 claims
- 2172US4410775ASnap-action battery cable switchHOWARD D U·Filed 1981·Granted Oct 18, 1983·16 cites·14 claims
- 2271US7207579B1Precision steer wheel control system with external solenoidHOWARD DURRELL U·Filed 2004·Granted Apr 24, 2007·20 cites·20 claims
- 2371US4211429AAdjustable suspension assemblyHOWARD D U·Filed 1978·Granted Jul 8, 1980·28 cites·28 claims
- 2467US6272947B1Steering shaft centering assemblyFiled 1999·Granted Aug 14, 2001·30 cites·20 claims
- 2562US6267395B1Vehicle steering compensator with air actuated trim mechanismFiled 1999·Granted Jul 31, 2001·26 cites·15 claims
- 2662US6003887ARotary centering compensator for vehicle steering systemsFiled 1998·Granted Dec 21, 1999·25 cites·31 claims
- 2762US5673874AExternal sliding aircraft doorAIRDOOR INC·Filed 1993·Granted Oct 7, 1997·29 cites·14 claims
- 2861US7219908B1Steer wheel control system with stationary piston and reciprocating cylinderHOWARD DURRELL U·Filed 2005·Granted May 22, 2007·5 cites·23 claims
- 2960US5435652ASelf-adjusting bearing assemblyFiled 1993·Granted Jul 25, 1995·21 cites·25 claims
- 3056US7806419B1Steer wheel control system with reciprocating cylinderHOWARD DURRELL U·Filed 2006·Granted Oct 5, 2010·3 cites·21 claims
- 3154US5816594ASteering column centering assemblyFiled 1996·Granted Oct 6, 1998·20 cites·20 claims
- 3247US3994510ATrailer coupling meansHOWARD D U·Filed 1974·Granted Nov 30, 1976·8 cites·6 claims
- 3344US7118118B1Steer wheel control system with dual pistons connected to a common shaftHOWARD DURRELL U·Filed 2004·Granted Oct 10, 2006·3 cites·22 claims
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