Heinz Rotthaus

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Essen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for drying coal and cooling coke
- Patent number 4,470,878
- Issue date Sep 11, 1984
- Krupp-Koppers GmbH
- Vladan Petrovic
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method of pretreating coal for coking plant
- Patent number 4,436,589
- Issue date Mar 13, 1984
- Krupp-Koppers GmbH
- Vladan Petrovic
- F26 - DRYING
Information Patent Grant
Cascaded coal drier for a coking plant
- Patent number 4,430,161
- Issue date Feb 7, 1984
- Krupp-Koppers GmbH
- Vladan Petrovic
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...