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Helmut Brandis
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4150 Krefeld, DE
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last 30 patents
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Patent Grant
Process for annealing boron-containing steels and product thereof
Patent number
5,022,933
Issue date
Jun 11, 1991
Thyssen Edelstahlwerke AG
Helmut Brandis
C21 - METALLURGY OF IRON
Information
Patent Grant
Semi-finished products of ferritic steel and catalytic substrate co...
Patent number
4,859,649
Issue date
Aug 22, 1989
Thyssen Edelstahlwerke AG
Kurt Bohnke
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Age hardenable maetensitic steel
Patent number
4,788,034
Issue date
Nov 29, 1988
Thyssen Edelstahlwerke AG
Helmut Brandis
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Carrier material for catalysts method for producing it and platinum...
Patent number
4,783,436
Issue date
Nov 8, 1988
Helmut Brandis
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method of manufacturing permanent magnets
Patent number
4,604,147
Issue date
Aug 5, 1986
Thyssen Edelstahlwerke AG
Helmut Brandis
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Nickel/iron casting alloy exhibiting high strength at elevated temp...
Patent number
4,464,335
Issue date
Aug 7, 1984
Helmut Brandis
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
High-speed steel
Patent number
4,242,130
Issue date
Dec 30, 1980
Thyssen Edelstahlwerke AG
Helmut Brandis
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Corrosion-resistant ferritic chrome-molybdenum-nickel steel
Patent number
4,155,752
Issue date
May 22, 1979
Thyssen Edelstahlwerke AG
Rudolf Oppenheim
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...