JingJing WENG

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Mechanical force-amplifying type motor-driven friction braking devi...
- Patent number 11,231,080
- Issue date Jan 25, 2022
- Beijing Tianyouxinpei High-tech Co., Ltd.
- Mengling Wu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
MECHANICAL FORCE-AMPLIFYING TYPE MOTOR-DRIVEN FRICTION BRAKING DEVI...
- Publication number 20200200228
- Publication date Jun 25, 2020
- Mengling WU
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...