Hongjie LIU

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Hefei, CN

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Patents Grantslast 30 patents

Information Patent Grant
Cartridge-type rivet feeding mechanism of flow drill screwing device
- Patent number 11,951,529
- Issue date Apr 9, 2024
- JEE TECHNOLOGY CO., LTD.
- Lei Liu
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR AUTOMATICALLY DETERMINING QUALITY OF A SELF-PIERCING RIV...
- Publication number 20220212245
- Publication date Jul 7, 2022
- JEE TECHNOLOGY CO., LTD.
- Lei LIU
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
CARTRIDGE-TYPE RIVET FEEDING MECHANISM OF FLOW DRILL SCREWING DEVICE
- Publication number 20220176439
- Publication date Jun 9, 2022
- JEE TECHNOLOGY CO., LTD.
- Lei LIU
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...