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Heinz Kohnert
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Rodenbach, DE
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last 30 patents
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Patent Grant
Electroslag remelting plant including an ingot mold and a hood
Patent number
4,993,690
Issue date
Feb 19, 1991
Leybold Aktiengesellschaft
Otto Stenzel
B22 - CASTING POWDER METALLURGY
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Patent Grant
Melting furnace with weight-related control of the consumable elect...
Patent number
4,775,981
Issue date
Oct 4, 1988
Leybold-Heraeus GmbH
Heinz Kohnert
G01 - MEASURING TESTING
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Patent Grant
Induction furnace with a furnace bottom and a lid
Patent number
4,658,404
Issue date
Apr 14, 1987
Leybold-Heraeus GmbH
Georg Sick
F27 - FURNACES KILNS OVENS RETORTS