Jan R. Tengzelius

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Viken, SE

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Patents Grantslast 30 patents

Information Patent Grant
Material for the powder metallurgical manufacture of soft magnetic...
- Patent number 4,585,480
- Issue date Apr 29, 1986
- Hoganas AB
- Jan Tengzelius
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Iron or steel powder, a process for its manufacture and press-sinte...
- Patent number 4,518,427
- Issue date May 21, 1985
- Hoganas AB
- Jan R. Tengzelius
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Powder intended for powder metallurgical manufacturing of soft magn...
- Patent number 4,190,441
- Issue date Feb 26, 1980
- Hoganas AB Fack
- Jan R. Tengzelius
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Phosphorus containing steel powder and a method of manufacturing th...
- Patent number 4,126,452
- Issue date Nov 21, 1978
- Hoganas AB Fack
- Jan R. Tengzelius
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...