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Theo Koddenberg
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Bochum, DE
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last 30 patents
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Patent Grant
Ascension pipe for coke ovens
Patent number
4,564,421
Issue date
Jan 14, 1986
Dr. C. Otto & Comp. G.m.b.H.
Theo Koddenberg
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Apparatus for operating offtake and main valves
Patent number
4,382,841
Issue date
May 10, 1983
Dr. C. Otto & Comp. G.m.b.H.
Theo Koddenberg
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Ascension pipe closure for coke oven batteries
Patent number
4,168,208
Issue date
Sep 18, 1979
Dr. C. Otto & Comp. G.m.b.H.
Ludger Althoff
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...