Inventor · disambiguated record
Richard A. Nellums
Also filed as: NELLUMS RICHARD · NELLUMS RICHARD A
29 granted patents·1 pending application·559 citations·filing 1977–2017
97Inventor score
Files withEATON CORP21DANA HEAVY VEHICLE SYS GROUP5DANA AUTOMOTIVE SYSTEMS GROUP1DANA ITALIA SPA1DAVIS SCOTT WILLIAM1
Top patents by PatentIndex Score
30 records- 0197US7367415B2Hybrid electric vehicle engine start techniqueEATON CORP·Filed 2005·Granted May 6, 2008·73 cites·23 claims
- 0293US5460060ATransmission shifting mechanism with spring loaded ball screwEATON CORP·Filed 1994·Granted Oct 24, 1995·53 cites·5 claims
- 0391US8523738B2Method of shifting a tandem drive axle having an inter-axle differentialMORSCHECK TIMOTHY J·Filed 2012·Granted Sep 3, 2013·26 cites·44 claims
- 0490US8911321B2Tandem axle systemDANA HEAVY VEHICLE SYS GROUP·Filed 2013·Granted Dec 16, 2014·15 cites·50 claims
- 0588US7125362B2Hybrid powertrain system including smooth shifting automated transmissionEATON CORP·Filed 2004·Granted Oct 24, 2006·31 cites·47 claims
- 0688US4874070AControl for AMT system start from stop operationEATON CORP·Filed 1988·Granted Oct 17, 1989·45 cites·31 claims
- 0785US9020715B2Distributed hierarchical control system for a tandem axle drive systemDANA HEAVY VEHICLE SYS GROUP·Filed 2013·Granted Apr 28, 2015·14 cites·18 claims
- 0885US5655407ASystem and method for decreasing ratio changing time in electronically enhanced powertrain systemsEATON CORP·Filed 1995·Granted Aug 12, 1997·35 cites·18 claims
- 0985US5560249APower synchronizer for a compound transmissionEATON CORP·Filed 1995·Granted Oct 1, 1996·38 cites·18 claims
- 1083US8566013B2Electric vehicle (EV) driving mode optimization for a parallel hybrid electric vehicleDAVIS SCOTT WILLIAM·Filed 2008·Granted Oct 22, 2013·21 cites·22 claims
- 1179US9333857B2Multi-mode tandem axle function selection apparatus and methodDANA HEAVY VEHICLE SYS GROUP·Filed 2014·Granted May 10, 2016·6 cites·20 claims
- 1274USRE38615ESystem and method for decreasing ratio changing time in electronically enhanced powertrain systemsEATON CORP·Filed 2000·Granted Oct 12, 2004·14 cites·27 claims
- 1374US5078245ASelf-energizing synchronizer with force limitingEATON CORP·Filed 1990·Granted Jan 7, 1992·21 cites·18 claims
- 1473US10343519B2Mechanical shift assembly for a shiftable tandem drive axleDANA HEAVY VEHICLE SYS GROUP·Filed 2017·Granted Jul 9, 2019·1 cites·7 claims
- 1567US5425437ASynchronizer with self-energizingEATON CORP·Filed 1993·Granted Jun 20, 1995·20 cites·10 claims
- 1665US5842376ASystem and method for decreasing ratio changing time by actuating inertia brake while the master clutch is engaged in electronically enhanced powertrain systemsEATON CORP·Filed 1997·Granted Dec 1, 1998·37 cites·7 claims
- 1763US9347504B2Vehicle driveline torque managing processDANA AUTOMOTIVE SYSTEMS GROUP·Filed 2014·Granted May 24, 2016·1 cites·16 claims
- 1863US4569250APositive drive with torque responsive dampenerEATON CORP·Filed 1984·Granted Feb 11, 1986·17 cites·25 claims
- 1960US4164144AFluid flowmeterEATON CORP·Filed 1977·Granted Aug 14, 1979·15 cites·22 claims
- 2055US4598609APositive driveEATON CORP·Filed 1984·Granted Jul 8, 1986·14 cites·5 claims
- 2154USRE37697ESelf-energizing synchronizer with force limitingEATON CORP·Filed 2000·Granted May 14, 2002·3 cites·30 claims
- 2250US10495010B2Damage protection for multi-function axleDANA HEAVY VEHICLE SYS GROUP·Filed 2016·Granted Dec 3, 2019·0 cites·15 claims
- 2348US5456344ASelf-adjusting clutch and input shaft brake actuatorEATON CORP·Filed 1994·Granted Oct 10, 1995·17 cites·27 claims
- 2447US5901824ASynchronizer including radially-moveable self-energizing memberEATON CORP·Filed 1997·Granted May 11, 1999·9 cites·35 claims
- 2547US5094126ATransmission with a detachable emergency ratio selectorEATON CORP·Filed 1990·Granted Mar 10, 1992·11 cites·4 claims
- 2645US5957257ASelf-energizing synchronizer including force limitingEATON CORP·Filed 1997·Granted Sep 28, 1999·8 cites·37 claims
- 2743US5065855ASelf-energizing splines for a synchronizerEATON CORP·Filed 1990·Granted Nov 19, 1991·8 cites·10 claims
- 2842US9989137B2Direct drive hydrostatic transmissionDANA ITALIA SPA·Filed 2014·Granted Jun 5, 2018·0 cites·11 claims
- 2942US2006169504A1Hybrid electric vehicle sequence for engine startEATON CORP·Filed 2005·Application pending·0 cites
- 3038US5901823ASynchronizer including radially-moveable, resiliently-biased self-energizing memberEATON CORP·Filed 1997·Granted May 11, 1999·6 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →