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Konstantin Ledjeff
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Bad Krozingen, DE
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last 30 patents
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Patent Grant
Catalytic burner
Patent number
5,810,577
Issue date
Sep 22, 1998
Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V.
Konstantin Ledjeff
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Patent Grant
Hot water heater
Patent number
5,709,174
Issue date
Jan 20, 1998
Fraunhofer-Gesellschaft zur Foerderung der Angewandten Forschung E.V.
Konstantin Ledjeff
F24 - HEATING RANGES VENTILATING
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Patent Grant
Water heater
Patent number
5,464,006
Issue date
Nov 7, 1995
Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V.
Konstantin Ledjeff
F24 - HEATING RANGES VENTILATING