Trygve Gjerde

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Patents Grantslast 30 patents

Information Patent Grant
Method and means for protecting a sea bottom surface and an install...
- Patent number 4,242,010
- Issue date Dec 30, 1980
- Ingenior F. Selmer AS
- Trygve Gjerde
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Marine structure
- Patent number 4,234,270
- Issue date Nov 18, 1980
- A/S Hoyer-Ellefsen
- Trygve Gjerde
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method for erecting a deck on a marine structure
- Patent number 4,193,714
- Issue date Mar 18, 1980
- A/S Hoyer-Ellefsen
- Trygve Gjerde
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING