Cheng-Feng Chang

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Lu-Chu Hsiang, TW

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Patents Grantslast 30 patents

Information Patent Grant
Method for recycling concrete waste
- Patent number 7,258,737
- Issue date Aug 21, 2007
- Cheng-Feng Chang
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method for making regenerated soil material for the production of a...
- Patent number 7,163,581
- Issue date Jan 16, 2007
- Cheng-Feng Chang
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
Method for recycling concrete waste
- Publication number 20060260514
- Publication date Nov 23, 2006
- Cheng-Mao CHANG
- Cheng-Feng Chang
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Method for making regenerated soil material for the production of a...
- Publication number 20060185559
- Publication date Aug 24, 2006
- Cheng-Feng Chang
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES