Inventor · disambiguated record
Christopher R. Gehrke
Also filed as: GEHRKE CHRISTOPHER · GEHRKE CHRISTOPHER R · GEHRKE CHRISTOPHER RONALD
20 granted patents·15 pending applications·134 citations·filing 2004–2023
93Inventor score
Top patents by PatentIndex Score
35 records- 0198US9803538B2Ducted combustion systems utilizing duct structuresCATERPILLAR INC·Filed 2015·Granted Oct 31, 2017·15 cites·16 claims
- 0298US9587606B2Ducted combustion systems utilizing tubular ductsCATERPILLAR INC·Filed 2015·Granted Mar 7, 2017·20 cites·28 claims
- 0395US9797351B2Ducted combustion systems utilizing duct coolingCATERPILLAR INC·Filed 2015·Granted Oct 24, 2017·8 cites·8 claims
- 0494US7296562B2Control system and method for estimating turbocharger performanceCATERPILLER INC·Filed 2006·Granted Nov 20, 2007·40 cites·21 claims
- 0592US8991358B2Reactivity controlled compression ignition engine with exhaust gas recirculationGEHRKE CHRISTOPHER R·Filed 2012·Granted Mar 31, 2015·12 cites·20 claims
- 0684US11773795B1Gaseous fuel engine and operating strategy for limiting preignition in prechamber sparkplugCATERPILLAR INC·Filed 2022·Granted Oct 3, 2023·1 cites·20 claims
- 0781US10787976B1System and method for estimating cylinder pressureCATERPILLAR INC·Filed 2019·Granted Sep 29, 2020·2 cites·20 claims
- 0880US8869770B2Compression ignition engine having fuel system for non-sooting combustion and methodBAZYN TIMOTHY·Filed 2011·Granted Oct 28, 2014·7 cites·23 claims
- 0973US9038582B2Split-cycle, reactivity controlled compression ignition engine and methodGEHRKE CHRISTOPHER R·Filed 2012·Granted May 26, 2015·3 cites·18 claims
- 1072US9151241B2Reactivity controlled compression ignition engine operating on a Miller cycle with low pressure loop exhaust gas recirculation system and methodGEHRKE CHRISTOPHER R·Filed 2012·Granted Oct 6, 2015·3 cites·21 claims
- 1171US9169794B2Temperature-controlled exhaust gas recirculation system and method for dual fuel engineCATERPILLAR INC·Filed 2012·Granted Oct 27, 2015·4 cites·17 claims
- 1268US7644584B2Method for modulating turbocharger brakingCATERPILLAR INC·Filed 2006·Granted Jan 12, 2010·8 cites·22 claims
- 1365US7908858B2System that limits turbo speed by controlling fuelingCATERPILLAR INC·Filed 2007·Granted Mar 22, 2011·6 cites·19 claims
- 1461US11920528B1Preignition mitigation strategy for gaseous fuel engineCATERPILLAR INC·Filed 2023·Granted Mar 5, 2024·0 cites·14 claims
- 1559US7802427B2System and method for monitoring boost leakCATERPILLAR INC·Filed 2006·Granted Sep 28, 2010·3 cites·21 claims
- 1653US10830168B1System and method for estimating exhaust manifold temperatureCATERPILLAR INC·Filed 2019·Granted Nov 10, 2020·0 cites·20 claims
- 1751US10982608B2System and method for estimating engine performanceCATERPILLAR INC·Filed 2019·Granted Apr 20, 2021·0 cites·20 claims
- 1848US2024299786A1Hydrogen flame arrestorCATERPILLAR INC·Filed 2023·Application pending·0 cites
- 1946US11230992B2Piston geometry for reduced smoke and cylinder head component temperaturesCATERPILLAR INC·Filed 2020·Granted Jan 25, 2022·0 cites·19 claims
- 2046US2015377201A1Fuel injector for an engineCATERPILLAR INC·Filed 2014·Application pending·0 cites
- 2145US7721540B2Engine system routing crankcase gases into exhaustCATERPILLAR INC·Filed 2007·Granted May 25, 2010·1 cites·19 claims
- 2245US7477982B2Exhaust gas recirculation systemCATERPILLAR INC·Filed 2006·Granted Jan 13, 2009·1 cites·20 claims
- 2343US2015211413A1Combustion Engine and Method of Use Resulting in Reduced Soot EmissionsPERKINS ENGINES CO LTD·Filed 2013·Application pending·0 cites
- 2443US2014032080A1Reactivity Controlled Compression Ignition Engine with Intake Cooling Operating on a Miller Cycle and MethodGEHRKE CHRISTOPHER R·Filed 2012·Application pending·0 cites
- 2542US2007220884A1Divided housing turbocharger for an engineSAVAGE PATRICK W JR·Filed 2006·Application pending·0 cites
- 2641US2008078170A1Managing temperature in an exhaust treatment systemGEHRKE CHRISTOPHER R·Filed 2006·Application pending·0 cites
- 2741US2011265456A1Diesel Engine and Method for Flexible Passive Regeneration of Exhaust After-Treatment DevicesCATERPILLAR INC·Filed 2010·Application pending·0 cites
- 2839US2014026873A1Variable Miller Cycle for Reactivity Controlled Compression Ignition Engine and MethodGEHRKE CHRISTOPHER·Filed 2012·Application pending·0 cites
- 2939US2007151230A1System for controlling exhaust emissionsCATERPILLAR INC·Filed 2005·Application pending·0 cites
- 3038US2014032084A1Temperature-Controlled Combustion System and MethodGEHRKE CHRISTOPHER R·Filed 2012·Application pending·0 cites
- 3137US2016298584A1Ducted Combustion Systems Utilizing Outside Air InjectionCATERPILLAR INC·Filed 2015·Application pending·0 cites
- 3236US2008295486A1Exhaust treatment system implementing temporary engine controlCATERPILLAR INC·Filed 2007·Application pending·0 cites
- 3335US2017241368A1Ducted combustion systemCATERPILLAR INC·Filed 2016·Application pending·0 cites
- 3434US2014032081A1Dual Mode Engine Using Two or More Fuels and Method for Operating Such EngineWILLI MARTIN·Filed 2012·Application pending·0 cites
- 3531US2006112689A1Divided housing turbocharger with a variable nozzle areaSAVAGE PATRICK W JR·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →