Inventor · disambiguated record
Thomas M. Sopko
Also filed as: SOPKO JR THOMAS M · SOPKO JR THOMAS MICHAEL · SOPKO THOMAS M · SOPKO THOMAS M JR
27 granted patents·5 pending applications·405 citations·filing 1985–2022
96Inventor score
Top patents by PatentIndex Score
32 records- 0197US7076954B1Turbocharger systemCATERPILLAR INC·Filed 2005·Granted Jul 18, 2006·85 cites·18 claims
- 0296US7378808B2Electric drive system having DC bus voltage controlCATERPILLAR INC·Filed 2004·Granted May 27, 2008·73 cites·22 claims
- 0394US11673477B2Electric machine with interchangeable power modulesCATERPILLAR INC·Filed 2020·Granted Jun 13, 2023·4 cites·20 claims
- 0492US8636442B1Integrated generator for screed plate heat upCATERPILLAR PAVING PROD·Filed 2012·Granted Jan 28, 2014·28 cites·22 claims
- 0592US6986727B2Retarding control for an electric drive machineCATERPILLAR INC·Filed 2003·Granted Jan 17, 2006·57 cites·22 claims
- 0681US7192374B2System and method for controlling a continuously variable transmissionCATERPILLAR INC·Filed 2004·Granted Mar 20, 2007·34 cites·20 claims
- 0780US9941831B1Switched reluctance motor power estimation compensation for variable DC-link voltageCATERPILLAR INC·Filed 2017·Granted Apr 10, 2018·4 cites·20 claims
- 0880US9234931B2Fault detection system with leakage current detectionCATERPILLAR INC·Filed 2013·Granted Jan 12, 2016·5 cites·17 claims
- 0980US8326499B2Retarding control of a machine through power dissipation through power source and parasitic loadsSOPKO JR THOMAS M·Filed 2008·Granted Dec 4, 2012·16 cites·20 claims
- 1078US10843578B2Configuration for battery powered electric drive load haul dumpCATERPILLAR INC·Filed 2019·Granted Nov 24, 2020·3 cites·20 claims
- 1176US7797081B2Feedback acceleration reduction for fluid supply valvesCATERPILLAR INC·Filed 2007·Granted Sep 14, 2010·7 cites·13 claims
- 1273US5039433AMethod of using polymers of amido-sulfonic acid containing monomers and salts as drilling additiveLUBRIZOL CORP·Filed 1990·Granted Aug 13, 1991·28 cites·87 claims
- 1369US7854681B2System for controlling a machine with a continuously variable transmissionCATERPILLAR INC·Filed 2007·Granted Dec 21, 2010·7 cites·21 claims
- 1469US7552712B1Part-throttle performance optimizationCATERPILLAR INC·Filed 2007·Granted Jun 30, 2009·7 cites·20 claims
- 1564US4812544AMethod of producing polymers of amido-sulfonic acid monomers with high energy agitatorsLUBRIZOL CORP·Filed 1985·Granted Mar 14, 1989·17 cites·31 claims
- 1662US11811344B2System and method of overcoming a dead-band in a switched reluctance motorCATERPILLAR INC·Filed 2020·Granted Nov 7, 2023·0 cites·18 claims
- 1761US12281462B2Modular system mode controller and related methodsCATERPILLAR INC·Filed 2022·Granted Apr 22, 2025·0 cites·20 claims
- 1860US7469761B2Continuously variable transmission system with power boostCATERPILLAR INC·Filed 2004·Granted Dec 30, 2008·13 cites·14 claims
- 1956US11404986B2Torque control based on rotor resistance modeling in induction motorsCATERPILLAR INC·Filed 2020·Granted Aug 2, 2022·0 cites·20 claims
- 2056US7822532B2Power-based underspeed controlCATERPILLAR INC·Filed 2008·Granted Oct 26, 2010·3 cites·20 claims
- 2154US8242735B2Method and system for temperature-based power converter controlHEIN BRUCE H·Filed 2008·Granted Aug 14, 2012·4 cites·14 claims
- 2252US7679311B2System and method for dynamic field weakeningCATERPILLAR INC·Filed 2007·Granted Mar 16, 2010·2 cites·8 claims
- 2352US7543440B2Multiple turbine system with a single recuperatorCATERPILLAR INC·Filed 2005·Granted Jun 9, 2009·3 cites·15 claims
- 2451US11616380B2Charging system for a battery operated machineCATERPILLAR INC·Filed 2019·Granted Mar 28, 2023·0 cites·18 claims
- 2549US9738163B2Electric drive having an actively controlled DC busCATERPILLAR INC·Filed 2014·Granted Aug 22, 2017·0 cites·20 claims
- 2644US7493205B2Brake control system for an electric drive vehicleCATERPILLAR INC·Filed 2004·Granted Feb 17, 2009·5 cites·28 claims
- 2743US2009082945A1Continuously variable transmission system with power boostCATERPILLAR INC·Filed 2008·Application pending·0 cites
- 2842US8901760B2Dual generator single DC link configuration for electric drive propulsion systemCATERPILLAR INC·Filed 2013·Granted Dec 2, 2014·0 cites·19 claims
- 2942US2006218923A1Turbocharger systemCATERPILLAR INC·Filed 2006·Application pending·0 cites
- 3037US2007284170A1Retarding control for hydromechanical drive machineKURAS BRIAN D·Filed 2006·Application pending·0 cites
- 3137US2007119146A1Retarding and filter cleaning method and systemCATERPILLAR INC·Filed 2005·Application pending·0 cites
- 3236US2007144175A1Turbocharger systemSOPKO THOMAS M JR·Filed 2006·Application pending·0 cites
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