Xuebiao TONG

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Zhejiang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Self-locking drill chuck
- Patent number 11,458,547
- Issue date Oct 4, 2022
- ZHEJIANG SANOU MACHINERY CO. LTD.
- Wenhua Zhou
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Self-locking drill chuck
- Patent number 10,166,609
- Issue date Jan 1, 2019
- ZHEJIANG SANOU MACHINERY CO. LTD.
- Wenhua Zhou
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Self-locking drill chuck
- Publication number 20210039174
- Publication date Feb 11, 2021
- ZHEJIANG SANOU MACHINERY CO. LTD.
- Wenhua ZHOU
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Strength-boosting drill chuck
- Publication number 20210001413
- Publication date Jan 7, 2021
- ZHEJIANG SANOU MACHINERY CO. LTD.
- Wenhua ZHOU
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
SELF-LOCKING DRILL CHUCK
- Publication number 20170304906
- Publication date Oct 26, 2017
- ZHEJIANG SANOU MACHINERY CO. LTD.
- Wenhua ZHOU
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR