Inventor · disambiguated record
Justin E. Ketterer
Also filed as: KETTERER JUSTIN · KETTERER JUSTIN E · KETTERER JUSTIN EDWARD
7 granted patents·1 pending application·13 citations·filing 2018–2024
76Inventor score
Files withGM GLOBAL TECH OPERATIONS LLC8
Top patents by PatentIndex Score
8 records- 0195US11280263B2Torque-actuated variable compression ratio phaserGM GLOBAL TECH OPERATIONS LLC·Filed 2020·Granted Mar 22, 2022·5 cites·13 claims
- 0289US10787973B2Variable compression ratio engineGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Sep 29, 2020·5 cites·18 claims
- 0377US11268437B2Eccentric shaft speed change mechanismGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Mar 8, 2022·2 cites·17 claims
- 0476US11149825B1Engine assembly including gearbox for varying compression ratio of engine assembly using stationary actuatorGM GLOBAL TECH OPERATIONS LLC·Filed 2020·Granted Oct 19, 2021·1 cites·20 claims
- 0569US12392297B1Exhaust gas temperature controlGM GLOBAL TECH OPERATIONS LLC·Filed 2024·Granted Aug 19, 2025·0 cites·20 claims
- 0658US11131240B1Engine assembly including a force splitter for varying compression ratio using an actuatorGM GLOBAL TECH OPERATIONS LLC·Filed 2020·Granted Sep 28, 2021·0 cites·20 claims
- 0743US2019353088A1Variable volume pre-chamber for a combustion engineGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Application pending·0 cites
- 0841US11092089B1Variable compression ratio engine control strategyGM GLOBAL TECH OPERATIONS LLC·Filed 2020·Granted Aug 17, 2021·0 cites·16 claims
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