Jan Erik Jansson

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Santaluz, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Retaining wall block
- Patent number D528223
- Issue date Sep 12, 2006
- Jan Erik Jansson
- D25 - Building units and construction elements
Information Patent Grant
Flexible grid and predominantly concrete mat employing same
- Patent number 7,048,469
- Issue date May 23, 2006
- Jan Erik Jansson
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Retaining wall block
- Patent number D514232
- Issue date Jan 31, 2006
- Jan Erik Jansson
- D25 - Building units and construction elements
Information Patent Grant
Retaining wall block
- Patent number D510774
- Issue date Oct 18, 2005
- Jan Erik Jansson
- D25 - Building units and construction elements
Information Patent Grant
Manufacture of articulated, predominantly concrete mat
- Patent number 6,942,421
- Issue date Sep 13, 2005
- Jan Erik Jansson
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Revetment useful to line stream bed and assembly of said revetments
- Patent number 6,863,472
- Issue date Mar 8, 2005
- Jan Erik Jansson
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Flexible grid and predominantly concrete mat employing same
- Publication number 20080118309
- Publication date May 22, 2008
- Jan Erik Jansson
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES