Hans-Karl Petzel

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Scheidt, DE

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Patents Grantslast 30 patents

Information Patent Grant
Environmentally acceptable electric energy generation process and p...
- Patent number 5,435,123
- Issue date Jul 25, 1995
- Saarbergwerke Aktiengesellschaft
- Gerhard Scholl
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Process for salvaging waste and device for preparing said waste
- Patent number 5,154,128
- Issue date Oct 13, 1992
- Saarbergwerke Aktiengesellschaft
- Gerhard Scholl
- F22 - STEAM GENERATION
Information Patent Grant
Process for operating a coal-based fluidized bed combustor and flui...
- Patent number 5,099,801
- Issue date Mar 31, 1992
- Saarbergwerke Aktiengesellschaft
- Gerhard Scholl
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES