Qi Zheng

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Xinning, CN

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Patents Grantslast 30 patents

Information Patent Grant
Glass bottle cutter based on electric heating
- Patent number 11,485,672
- Issue date Nov 1, 2022
- Qi Zheng
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
Glass Bottle Cutter Based on Electric Heating
- Publication number 20210331962
- Publication date Oct 28, 2021
- Qi Zheng
- C03 - GLASS MINERAL OR SLAG WOOL