Wufeng YUAN

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Shanghai, CN

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Patents Applicationslast 30 patents

Information Patent Application
NONREVERSIBLE ANTI-BACKLASH NUT
- Publication number 20210404507
- Publication date Dec 30, 2021
- Kai ZENG
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
SPLIT-TYPE NUT ASSEMBLY
- Publication number 20210293311
- Publication date Sep 23, 2021
- Shanghai Moons? Electric Co., LTD.
- Kai ZENG
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...