Roland Drugge

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Malmberget, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method of sintering pellets
- Patent number 4,321,085
- Issue date Mar 23, 1982
- Loussavaara-Kiirunavaara Aktiebolag
- Roland Drugge
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Heating or heat-treatment plant
- Patent number 4,316,718
- Issue date Feb 23, 1982
- Luossavaara-Kiirunavaara Aktiebolag
- Roland Drugge
- F26 - DRYING
Information Patent Grant
Method of sintering and apparatus for carrying out the method
- Patent number 4,168,951
- Issue date Sep 25, 1979
- Luossavaara-Kiirunavaara Aktiebolag
- Roland Drugge
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Pellet-rolling method
- Patent number 4,134,944
- Issue date Jan 16, 1979
- Luossavaara-Kiirunavaara AB
- Pehr-Adrian Ilmoni
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...