Xiwei Yin

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Xiangtan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Metal-plastic composite pipe compounding device and compounding pro...
- Patent number 12,076,911
- Issue date Sep 3, 2024
- HUNAN ZHENHUI PIPE INDUSTRY CO., LTD
- Hefei Xiao
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
METAL-PLASTIC COMPOSITE PIPE COMPOUNDING DEVICE AND COMPOUNDING PRO...
- Publication number 20230147431
- Publication date May 11, 2023
- HUNAN ZHENHUl PIPE INDUSTRY CO., LTD
- Hefei XIAO
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL