Yi-An Chien

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Taichung, TW

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Patents Grantslast 30 patents

Information Patent Grant
Packaging bag fresh-keeping exhaust valve structure
- Patent number 10,865,029
- Issue date Dec 15, 2020
- Chuanpen International Packing Co., Ltd.
- Yi-An Chien
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Dried food fresh-keeping packaging bag structure
- Patent number 10,766,668
- Issue date Sep 8, 2020
- Chuanpen International Packing Co., Ltd.
- Tsung-Ping Chien
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Dried food fresh-keeping packaging bag structure
- Publication number 20190248547
- Publication date Aug 15, 2019
- Tsung-Ping Chien
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Packaging bag fresh-keeping exhaust valve structure
- Publication number 20190241295
- Publication date Aug 8, 2019
- Yi-An Chien
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Dried food fresh-keeping packaging bag structure
- Publication number 20190239543
- Publication date Aug 8, 2019
- Tsung-Ping Chien
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES