Haavard T. Gjestland

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Porsgrunn, NO

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Patents Grantslast 30 patents

Information Patent Grant
Procedure for the production of thixotropic magnesium alloys
- Patent number 5,501,748
- Issue date Mar 26, 1996
- Norsk Hydro a.s
- Haavard Gjestland
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Rapidly solidified and worked high strength magnesium alloy contain...
- Patent number 5,147,603
- Issue date Sep 15, 1992
- Pechiney Electrometallurgie
- Gilles Nussbaum
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
High mechanical strength magnesium alloys and process for obtaining...
- Patent number 5,078,962
- Issue date Jan 7, 1992
- Pechiney Electrometallurgie
- Gilles Regazzoni
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
High mechanical strength magnesium alloys and process for obtaining...
- Patent number 4,997,622
- Issue date Mar 5, 1991
- Pechiney Electrometallurgie
- Gilles Regazzoni
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...