Steven Roy Butler

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Le Thor, FR

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for manufacturing set cellular cement
- Patent number 8,517,594
- Issue date Aug 27, 2013
- Lafarge S.A.
- Michel Rigaudon
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process and apparatus for manufacturing set cellular cement
- Patent number 8,119,207
- Issue date Feb 21, 2012
- Lafarge Platres
- Michel Rigaudon
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Gypsum board and systems comprising it
- Patent number 7,700,505
- Issue date Apr 20, 2010
- Lafarge Platres
- Claude Leclercq
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Process for manufacturing sound absorbing cement tile
- Patent number 7,332,114
- Issue date Feb 19, 2008
- Lafarge Platres
- Steven Roy Butler
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS FOR MANUFACTURING SET CELLULAR CEMENT
- Publication number 20080310248
- Publication date Dec 18, 2008
- LAFARGE PLATRES
- Michel Rigaudon
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Process For Manufacturing Sound Absorbing Cement Tile
- Publication number 20060175723
- Publication date Aug 10, 2006
- LAFARGE PLATRES
- Steven Roy Butler
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
New gypsum board and systems comprising it
- Publication number 20060068186
- Publication date Mar 30, 2006
- Claude Leclercq
- B32 - LAYERED PRODUCTS
Information Patent Application
Process And Apparatus For Manufacturing Set Cellular Cement
- Publication number 20050219938
- Publication date Oct 6, 2005
- LAFARGE PLATRES
- Michel Rigaudon
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Lightweight gypsum board product and method of manufacture
- Publication number 20040026002
- Publication date Feb 12, 2004
- Walter Weldon
- B28 - WORKING CEMENT, CLAY, OR STONE