Bruce J. Christensen

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Freeze-thaw durability of dry cast cementitious mixtures
- Patent number 7,922,808
- Issue date Apr 12, 2011
- Construction Research & Technology GmbH
- Lynn E. Brower
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Providing freezing and thawing resistance to cementitious compositions
- Patent number 7,531,584
- Issue date May 12, 2009
- Construction Research & Technology GmbH
- Michael L. Kerns
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Providing freezing and thawing resistance to cementitious compositions
- Patent number 7,288,147
- Issue date Oct 30, 2007
- Construction Research & Technology GmbH
- Bruce J. Christensen
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
ADMIXTURE DISPENSING SYSTEM AND METHOD
- Publication number 20070266905
- Publication date Nov 22, 2007
- Stephen L. Amey
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Providing freezing and thawing resistance to cementitious compositions
- Publication number 20060281836
- Publication date Dec 14, 2006
- Construction Research & Technology GmbH
- Michael L. Kerns
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Admixture dispensing method
- Publication number 20060039233
- Publication date Feb 23, 2006
- Construction Research & Technology GmbH
- Stephen A. Farrington
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Providing freezing and thawing resistance to cementitious compositions
- Publication number 20050284340
- Publication date Dec 29, 2005
- Thomas M. Vickers
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Providing freezing and thawing resistance to cementitious compositions
- Publication number 20050274285
- Publication date Dec 15, 2005
- Bruce J. Christensen
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Freeze-thaw durability of dry cast cementitious mixtures
- Publication number 20050274294
- Publication date Dec 15, 2005
- Lynn E. Brower
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES