John Alfred Fifield

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Buckinghamshire, GB

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Patents Grantslast 30 patents

Information Patent Grant
Building block and cladding system
- Patent number 8,931,225
- Issue date Jan 13, 2015
- Oldcastle APG, Inc.
- John Fifield
- E04 - BUILDING
Information Patent Grant
Interlocking roof tiles
- Patent number 7,003,922
- Issue date Feb 28, 2006
- Westile, Inc.
- John Fifield
- E04 - BUILDING
Information Patent Grant
Roof tile
- Patent number 5,743,059
- Issue date Apr 28, 1998
- CRH Oldcastle, Inc.
- John Alfred Fifield
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Lightweight concrete roof tiles and similar products
- Patent number 5,268,028
- Issue date Dec 7, 1993
- Oldcastle, Inc.
- John A. Fifield
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Roof tiles
- Patent number 5,214,895
- Issue date Jun 1, 1993
- Oldcastle, Inc.
- John A. Fifield
- E04 - BUILDING
Information Patent Grant
Roof tiles
- Patent number 5,070,671
- Issue date Dec 10, 1991
- Oldcastle, Inc.
- John A. Fifield
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
BUILDING BLOCK AND CLADDING SYSTEM
- Publication number 20150084234
- Publication date Mar 26, 2015
- John Fifield
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
BUILDING BLOCK AND CLADDING SYSTEM
- Publication number 20120266554
- Publication date Oct 25, 2012
- OLDCASTLE APG, INC.
- John Fifield
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Interlocking roof tiles
- Publication number 20030115819
- Publication date Jun 26, 2003
- John Fifield
- E04 - BUILDING
Information Patent Application
Roof tiles
- Publication number 20030061778
- Publication date Apr 3, 2003
- John Alfred Fifield
- E04 - BUILDING