Chengke Liu

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Novi, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Engine emission control systems for deceleration fuel cutoff events...
- Patent number 11,913,401
- Issue date Feb 27, 2024
- GM Global Technology Operations LLC
- Chengke Liu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Systems and methods for recirculation of engine exhaust gas within...
- Patent number 11,788,455
- Issue date Oct 17, 2023
- GM Global Technology Operations LLC
- Chengke Liu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Systems and methods for recirculation of engine exhaust gas within...
- Patent number 11,725,601
- Issue date Aug 15, 2023
- GM Global Technology Operations LLC
- Chengke Liu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Systems and methods of engine exhaust air injection before and afte...
- Patent number 11,629,625
- Issue date Apr 18, 2023
- GM Global Technology Operatons LLC
- Chengke Liu
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Engine systems with exhaust air injection after three-way catalytic...
- Patent number 11,519,317
- Issue date Dec 6, 2022
- GM Global Technology Operations LLC
- Chengke Liu
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES