Theo Jannemann

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Dorsten, DE

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Patents Grantslast 30 patents

Information Patent Grant
Gas burner
- Patent number 4,960,378
- Issue date Oct 2, 1990
- Ruhrgas Aktiengesellschaft
- Theo Jannemann
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Storage water heater system
- Patent number 4,699,122
- Issue date Oct 13, 1987
- Ruhrgas Aktiengesellschaft
- Theo Jannemann
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Gas apparatus for producing hot water
- Patent number 4,557,220
- Issue date Dec 10, 1985
- Ruhrgas Aktiengesellschaft
- Theo Jannemann
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Heating system incorporating an absorption-type heat pump and metho...
- Patent number 4,501,127
- Issue date Feb 26, 1985
- Ruhrgas Aktiengesellschaft
- Hans Sommers
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Method for the operation of a gas burner exposed to an air current...
- Patent number 4,457,704
- Issue date Jul 3, 1984
- Ruhrgas Aktiengesellschaft
- Hans Sommers
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES