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Heinz Holtermann
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Meerbusch, DE
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last 30 patents
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Patent Grant
Process for post-combustion of reaction gases produced during the v...
Patent number
6,042,633
Issue date
Mar 28, 2000
Technometal Gesellschaft fur Metalltechnologie mbH
Karl Brotzmann
C21 - METALLURGY OF IRON
Information
Patent Grant
Slide closure for melting pots
Patent number
5,421,563
Issue date
Jun 6, 1995
Technometal Gesellschaft fur Metalltechnologie mbH
Heinz Holtermann
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Steel-processing vessel having a graphite rod heating means
Patent number
5,096,164
Issue date
Mar 17, 1992
Technometal Gesellschaft fur Metalltechnologie GmbH
Arno Luven
C21 - METALLURGY OF IRON
Information
Patent Grant
Reaction vessel for processing steel
Patent number
4,872,648
Issue date
Oct 10, 1989
Technometal Gesellschaft fur Metalltechnologie mbH
Heinz Holtermann
C21 - METALLURGY OF IRON
Information
Patent Grant
Vacuum-electric arc heating system
Patent number
4,216,347
Issue date
Aug 5, 1980
Standard-Messo-Duisburg Gesellschaft fur Chemietechnik mit beschrankter Haftu...
Heinz Holtermann
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR