Ping Li

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Zhuzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Cutting blade having a plurality of different coatings on surfaces...
- Patent number 11,298,758
- Issue date Apr 12, 2022
- ZHUZHOU CEMENTED CARBIDE CUTTING TOOLS CO., LTD
- Shequan Wang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Unequal helix-angle end mill
- Patent number 9,346,109
- Issue date May 24, 2016
- ZHUZHOU CEMENTED CARBIDE CUTTIG TOOLS CO., LTD.
- Jin Xu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
DRILLING TOOL
- Publication number 20210299760
- Publication date Sep 30, 2021
- ZHUZHOU CEMENTED CARBIDE CUTTING TOOLS CO., LTD
- Aisheng JIANG
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
CUTTING BLADE HAVING A PLURALITY OF DIFFERENT COATINGS ON SURFACES...
- Publication number 20200282479
- Publication date Sep 10, 2020
- ZHUZHOU CEMENTED CARBIDE CUTTING TOOLS CO., LTD
- Shequan WANG
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Unequal Helix-Angle End Mill
- Publication number 20130170916
- Publication date Jul 4, 2013
- ZHUZHOU CEMENTED CARBIDE CUTTING TOOLS CO., LTD.
- Jin Xu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR