Robert Hess

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Essen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for the measurement of gas properties
- Patent number 4,941,345
- Issue date Jul 17, 1990
- Ruhrgas Aktiengesellschaft
- Detlef Altemark
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus of operating pre-mixed burners
- Patent number 4,859,171
- Issue date Aug 22, 1989
- Ruhrgas Aktiengesellschaft
- Detlef Altemark
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES