Inventor · disambiguated record
Randall J. Johnson
Also filed as: JOHNSON RANDALL J
14 granted patents·6 pending applications·289 citations·filing 1979–2022
93Inventor score
Files withARVIN TECHNOLOGIES INC6EMCON TECHNOLOGIES LLC4CRAWLEY WILBUR H1CUMMINS INC1CUMMINS POWER GENERATION INC1
Top patents by PatentIndex Score
20 records- 0190US7246005B2Method and apparatus for controlling a component by feed-forward closed-loop controller state modificationARVIN TECHNOLOGIES INC·Filed 2005·Granted Jul 17, 2007·18 cites·18 claims
- 0288US7025810B2Method and apparatus for shutting down a fuel-fired burner of an emission abatement assemblyARVIN TECHNOLOGIES INC·Filed 2004·Granted Apr 11, 2006·41 cites·19 claims
- 0385US7685811B2Method and apparatus for controlling a fuel-fired burner of an emission abatement assemblyEMCON TECHNOLOGIES LLC·Filed 2004·Granted Mar 30, 2010·35 cites·41 claims
- 0485US7581389B2Method and apparatus for monitoring ash accumulation in a particulate filter of an emission abatement assemblyEMCON TECHNOLOGIES LLC·Filed 2004·Granted Sep 1, 2009·36 cites·24 claims
- 0584US7243489B2Method and apparatus for monitoring engine performance as a function of soot accumulation in a filterARVIN TECHNOLOGIES INC·Filed 2004·Granted Jul 17, 2007·30 cites·14 claims
- 0684US6918755B1Fuel-fired burner with skewed electrode arrangementARVIN TECHNOLOGIES INC·Filed 2004·Granted Jul 19, 2005·31 cites·20 claims
- 0779US4278957AUHF Filter assemblyMOTOROLA INC·Filed 1979·Granted Jul 14, 1981·28 cites·7 claims
- 0878US7908847B2Method and apparatus for starting up a fuel-fired burner of an emission abatement assemblyEMCON TECHNOLOGIES LLC·Filed 2004·Granted Mar 22, 2011·23 cites·20 claims
- 0967US7628011B2Emission abatement assembly and method of operating the sameEMCON TECHNOLOGIES LLC·Filed 2004·Granted Dec 8, 2009·14 cites·19 claims
- 1067US7118613B2Method and apparatus for cooling the components of a control unit of an emission abatement assemblyARVIN TECHNOLOGIES INC·Filed 2004·Granted Oct 10, 2006·14 cites·20 claims
- 1165US11674491B2Systems and methods for providing ground fault protection on direct current power feeds of engine componentsCUMMINS POWER GENERATION INC·Filed 2022·Granted Jun 13, 2023·0 cites·20 claims
- 1260US7258723B2Particulate filter assembly and associated methodARVIN TECHNOLOGIES INC·Filed 2004·Granted Aug 21, 2007·16 cites·16 claims
- 1349US11993275B2Engine friction monitorCUMMINS INC·Filed 2020·Granted May 28, 2024·0 cites·20 claims
- 1442US2005150219A1Method and apparatus for controlling the temperature of a fuel-fired burner of an emission abatement assemblyFiled 2004·Application pending·0 cites
- 1541US2005150376A1Method and apparatus for monitoring the components of a control unit of an emission abatement assemblyFiled 2004·Application pending·0 cites
- 1640US2004231320A1Apparatus for reducing particulate emissionsFiled 2003·Application pending·0 cites
- 1740US2005150216A1Method and apparatus for cleaning the electrodes of a fuel-fired burner of an emission abatement assemblyFiled 2004·Application pending·0 cites
- 1840US2005150218A1Method and apparatus for determining accumulation in a particulate filter of an emission abatement assemblyFiled 2004·Application pending·0 cites
- 1939US8641411B2Method and apparatus for directing exhaust gas through a fuel-fired burner of an emission abatement assemblyCRAWLEY WILBUR H·Filed 2004·Granted Feb 4, 2014·3 cites·14 claims
- 2028US2008196388A1Method and apparatus for activating a diesel particulate filter with engine heatJOHNSON RANDALL J·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →