Hewen LIANG

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 11,402,044
- Issue date Aug 2, 2022
- Hewen Liang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
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- Publication number 20240401730
- Publication date Dec 5, 2024
- TAIZHOU AILUN VALVE CO., LTD
- Hewen LIANG
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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- Publication number 20240401731
- Publication date Dec 5, 2024
- TAIZHOU AILUN VALVE CO., LTD
- Hewen LIANG
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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- Publication number 20210003239
- Publication date Jan 7, 2021
- Hewen LIANG
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...