Hans Dohren

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Krefeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for sluicing residues from the pressure system of a press...
- Patent number 4,425,139
- Issue date Jan 10, 1984
- Ruhrchemie Aktiengesellschaft
- Volkmar Schmidt
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for sluicing residues from the pressure system of a pressur...
- Patent number 4,381,924
- Issue date May 3, 1983
- Ruhrchemie Aktiengesellschaft
- Volkmar Schmidt
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process and plant for the gasification of solid fuels via partial o...
- Patent number 4,310,333
- Issue date Jan 12, 1982
- Ruhrchemie Aktiengesellschaft
- Volkmar Schmidt
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...