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Chuan Yen Tech Co., Ltd.
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New Taipei, TW
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Patents Grants
last 30 patents
Information
Patent Grant
Nozzle
Patent number
D1039653
Issue date
Aug 20, 2024
Chuan Yen Tech Co., Ltd.
Wen-Chun Chang
D23 - Environmental heating and cooling
Information
Patent Grant
Fire hydrant box
Patent number
8,739,816
Issue date
Jun 3, 2014
Chuan Yen Tech Co., Ltd.
Wen-Chun Chang
A62 - LIFE-SAVING FIRE-FIGHTING
Patents Applications
last 30 patents
Information
Patent Application
FIREFIGHTING SYSTEM
Publication number
20240001186
Publication date
Jan 4, 2024
CHUAN YEN TECH CO., LTD.
Wen-Chun CHANG
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Application
FIRE HYDRANT BOX
Publication number
20120192960
Publication date
Aug 2, 2012
CHUAN YEN TECH CO., LTD.
Wen-Chun CHANG
A62 - LIFE-SAVING FIRE-FIGHTING
Trademark
last 30 trademarks