Essence Fastening System (Shanghai) Co., Ltd.

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Metric self-tapping locking screw and the manufacturing method thereof
- Patent number 10,385,903
- Issue date Aug 20, 2019
- Essence Fastening System (Shanghai) Co., Ltd.
- Qinfeng Yi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

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Patents Applicationslast 30 patents

Information Patent Application
Thread Rolling Screw Molten Through Friction
- Publication number 20220196061
- Publication date Jun 23, 2022
- ESSENCE FASTENING SYSTEMS (SHANGHAI) CO.,LTD
- Qinfeng YI
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
METRIC SELF-TAPPING LOCKING SCREW AND THE MANUFACTURING METHOD THEREOF
- Publication number 20180223889
- Publication date Aug 9, 2018
- Essence Fastening System (Shanghai) Co., Ltd.
- Qinfeng Yi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...