Te Chien Chen

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Tsuen Wan, HK

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Patents Grantslast 30 patents

Information Patent Grant
Snap fastener
- Patent number 10,080,402
- Issue date Sep 25, 2018
- Duraflex Hong Kong Limited
- Te Chien Chen
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
One-piece pull tab
- Patent number 9,877,550
- Issue date Jan 30, 2018
- Duraflex Hong Kong Limited
- Te Chien Chen
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
One-piece pull tab
- Patent number 9,862,143
- Issue date Jan 9, 2018
- Duraflex Hong Kong Limited
- Te Chien Chen
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Method for molding a decorative zipper pull and mold for a zipper pull
- Patent number 9,669,572
- Issue date Jun 6, 2017
- Duraflex Hong Kong Limited
- Te Chien Chen
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Method for producing single-sided mold and double-sided coining mol...
- Patent number 9,630,280
- Issue date Apr 25, 2017
- Duraflex Hong Kong Limited
- Te Chien Chen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Pull tab and method of manufacturing a pull tab
- Patent number 9,498,027
- Issue date Nov 22, 2016
- Duraflex Hong Kong Limited
- Te Chien Chen
- A44 - HABERDASHERY JEWELLERY

Patents Applicationslast 30 patents

Information Patent Application
SNAP FASTENER
- Publication number 20170347756
- Publication date Dec 7, 2017
- DURAFLEX HONG KONG LIMITED
- Te Chien Chen
- A44 - HABERDASHERY JEWELLERY
Information Patent Application
ONE-PIECE PULL TAB
- Publication number 20170164697
- Publication date Jun 15, 2017
- DURAFLEX HONG KONG LIMITED
- Te Chien CHEN
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PULL TAB AND METHOD OF MANUFACTURING A PULL TAB
- Publication number 20160007692
- Publication date Jan 14, 2016
- DURAFLEX HONG KONG LIMITED
- Te Chien CHEN
- A44 - HABERDASHERY JEWELLERY
Information Patent Application
METHOD FOR MOLDING A DECORATIVE ZIPPER PULL AND MOLD FOR A ZIPPER PULL
- Publication number 20150224690
- Publication date Aug 13, 2015
- DURAFLEX HONG KONG LIMITED
- Te Chien CHEN
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
METHOD FOR PRODUCING SINGLE-SIDED MOLD AND DOUBLE-SIDED COINING MOL...
- Publication number 20150197040
- Publication date Jul 16, 2015
- Duraflex Hong Kong Limited
- Te Chien Chen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL