Haijun Liu

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Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Engine piston and fatigue testing apparatus for engine piston
- Patent number 11,761,853
- Issue date Sep 19, 2023
- Weichai Power Co., Ltd.
- Haijun Liu
- G01 - MEASURING TESTING
Information Patent Grant
Control method and apparatus applied to controller
- Patent number 11,649,790
- Issue date May 16, 2023
- Weichai Power Co., Ltd.
- Haijun Liu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
ENGINE PISTON AND FATIGUE TESTING APPARATUS FOR ENGINE PISTON
- Publication number 20230168153
- Publication date Jun 1, 2023
- WEICHAI POWER CO., LTD.
- Haijun LIU
- G01 - MEASURING TESTING