Po-Chao Chuang

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Taichung, TW

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Patents Grantslast 30 patents

Information Patent Grant
Grinding machine with transverse moving unit
- Patent number 10,773,354
- Issue date Sep 15, 2020
- Yeon Chuan Machinery Co., Ltd.
- Po Chang Chuang
- B24 - GRINDING POLISHING
Information Patent Grant
Tube receiver assembled and detached rapidly
- Patent number 6,540,169
- Issue date Apr 1, 2003
- Po-Chao Chuang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Tube winder structure
- Patent number 6,457,669
- Issue date Oct 1, 2002
- Chin How Taiwan Inc.
- Po-Chao Chuang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
GRINDING MACHINE WITH MOVABLE GRINDING WHEELS
- Publication number 20230211459
- Publication date Jul 6, 2023
- YEON CHUAN MACHINERY CO., LTD.
- PO CHANG CHUANG
- B24 - GRINDING POLISHING
Information Patent Application
ELECTRIC KNIFE SHARPENER
- Publication number 20230158627
- Publication date May 25, 2023
- CUTTWAY PRODUCTS CO.,LTD.
- Tzu-Yi LIN
- B24 - GRINDING POLISHING
Information Patent Application
ELECTRIC KNIFE SHARPENER
- Publication number 20230158626
- Publication date May 25, 2023
- CUTTWAY PRODUCTS CO.,LTD.
- Tzu-Yi LIN
- B24 - GRINDING POLISHING
Information Patent Application
GRINDING MACHINE WITH TRANSVERSE MOVING UNIT
- Publication number 20190193228
- Publication date Jun 27, 2019
- YEON CHUAN MACHINERY CO., LTD.
- PO CHANG CHUANG
- B24 - GRINDING POLISHING
Information Patent Application
Tube receiver assembled and detached rapidly
- Publication number 20030015617
- Publication date Jan 23, 2003
- Po-Chao Chuang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Tube winder structure
- Publication number 20020096592
- Publication date Jul 25, 2002
- Po Chao Chuang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL