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Gunter Ratschat
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Duisburg, DE
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last 30 patents
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Patent Grant
Method and apparatus for recovery and recycling of heat from hot gases
Patent number
4,541,864
Issue date
Sep 17, 1985
Mannesmann Demag AG
Gunter Ratschat
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for recovery and recycling of heat from hot gases in metallu...
Patent number
4,434,004
Issue date
Feb 28, 1984
Mannesmann Demag AG
Gunter Ratschat
C21 - METALLURGY OF IRON
Information
Patent Grant
Apparatus for regulating the quantities and percentages of the gase...
Patent number
4,354,669
Issue date
Oct 19, 1982
Mannesmann Demag AG
Gunter Ratschat
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for providing oxygen enhanced air for use in metallurgical p...
Patent number
4,345,939
Issue date
Aug 24, 1982
Mannesmann Demag AG
Gunter Ratschat
C21 - METALLURGY OF IRON