Zhengqiang Xie

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Child-resistant closure system
- Patent number 11,884,452
- Issue date Jan 30, 2024
- Yuan Ding International (Shanghai) Co., Ltd.
- Haowei Shen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Child-resistant closure system
- Patent number 11,718,456
- Issue date Aug 8, 2023
- YUAN DING INTERNATIONAL (SHANGHAI), CO., LTD
- Haowei Shen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
CHILD-RESISTANT CLOSURE SYSTEM
- Publication number 20210114776
- Publication date Apr 22, 2021
- Yuan Ding International (Shanghai) Co., Ltd.
- Haowei Shen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
CHILD-RESISTANT CLOSURE SYSTEM
- Publication number 20210114782
- Publication date Apr 22, 2021
- Yuan Ding International (Shanghai) Co., Ltd.
- Haowei Shen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL