Chao Zhang

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Jiangsu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Hollow body forming mold and hollow body forming method
- Patent number 11,203,144
- Issue date Dec 21, 2021
- YAPP Automotive Systems Co., Ltd.
- Lin Jiang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
HOLLOW BODY MOLDING AID AND MOLDING METHOD
- Publication number 20220126498
- Publication date Apr 28, 2022
- YAPP Automotive Systems Co., Ltd.
- Lin JIANG
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
HOLLOW BODY FORMING MOLD AND HOLLOW BODY FORMING METHOD
- Publication number 20220055280
- Publication date Feb 24, 2022
- YAPP Automotive Systems Co., Ltd.
- Lin Jiang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Hollow Body Forming Mold and Hollow Body Forming Method
- Publication number 20200139607
- Publication date May 7, 2020
- YAPP Automotive Systems Co., Ltd.
- Lin Jiang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL