Inventor · disambiguated record
Calvin K. Koch
Also filed as: KOCH CALVIN K
9 granted patents·1 pending application·49 citations·filing 2003–2018
85Inventor score
Files withGM GLOBAL TECH OPERATIONS INC4GM GLOBAL TECH OPERATIONS LLC2GEN MOTORS CORP1KOCH CALVIN K1NARAYANASWAMY KUSHAL1
Top patents by PatentIndex Score
10 records- 0191US7571602B2Exhaust aftertreatment system and method of use for lean burn internal combustion enginesGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Aug 11, 2009·24 cites·4 claims
- 0286US8920756B2Silver promoted close-coupled NOx absorberGM GLOBAL TECH OPERATIONS INC·Filed 2012·Granted Dec 30, 2014·7 cites·20 claims
- 0384US8906331B2Nitric oxide oxidation over silver-based catalystsGM GLOBAL TECH OPERATIONS INC·Filed 2012·Granted Dec 9, 2014·5 cites·18 claims
- 0473US10066564B2Humidity determination and compensation systems and methods using an intake oxygen sensorSONG B JERRY·Filed 2012·Granted Sep 4, 2018·3 cites·20 claims
- 0568US8001768B2Method and apparatus for managing an exhaust gas feedstream for a spark-ignition direct-injection engineGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Aug 23, 2011·6 cites·24 claims
- 0659US9046051B2Method for operating a spark-ignition, direct-injection internal combustion engineNARAYANASWAMY KUSHAL·Filed 2011·Granted Jun 2, 2015·1 cites·16 claims
- 0755US7267697B2Fuel reforming inlet device, system and processGEN MOTORS CORP·Filed 2003·Granted Sep 11, 2007·2 cites·12 claims
- 0850US8926926B2Exhaust particulate management for gasoline-fueled enginesKOCH CALVIN K·Filed 2009·Granted Jan 6, 2015·1 cites·10 claims
- 0947US10738655B2Turbine outlet flow control deviceGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Aug 11, 2020·0 cites·15 claims
- 1040US2018078912A1Low pressure drop swirling flow mixerGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →