Pao-Yuan Chang

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Nan Tun Area, Taichung, TW

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Patents Grantslast 30 patents

Information Patent Grant
Plastic thread bonding method and structure for folding edge of fle...
- Patent number 11,981,468
- Issue date May 14, 2024
- HON BOUW CO., LTD.
- Pao-Chung Chang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Clamping and conveying device for material bag filling system
- Patent number 11,745,907
- Issue date Sep 5, 2023
- Hon Buohb Co., Ltd.
- Pao-Chung Chang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Bag clamping device for material bag filling system
- Patent number 11,208,224
- Issue date Dec 28, 2021
- Hon Buohb Co., Ltd.
- Pao-Chung Chang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Material bag
- Patent number 11,167,888
- Issue date Nov 9, 2021
- Hon Buohb Co., Ltd.
- Pao-Chung Chang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Power-driven surfboard
- Patent number 5,017,166
- Issue date May 21, 1991
- Pao-Yuan Chang
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

Information Patent Application
PLASTIC THREAD BONDING METHOD AND STRUCTURE FOR FOLDING EDGE OF FLE...
- Publication number 20230068617
- Publication date Mar 2, 2023
- HON BOUW CO., LTD.
- Pao-Chung Chang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Clamping and conveying device for material bag filling system
- Publication number 20210276753
- Publication date Sep 9, 2021
- Pao-Chung Chang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Material bag
- Publication number 20200290775
- Publication date Sep 17, 2020
- Pao-Chung Chang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Bag clamping device for material bag filling system
- Publication number 20200290762
- Publication date Sep 17, 2020
- Pao-Chung Chang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL