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Manfred Boehmer
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Lohmar, DE
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last 30 patents
Information
Patent Grant
Concentrator for focusing solar radiation
Patent number
6,035,850
Issue date
Mar 14, 2000
Deutsches Zentrum fuer Luft- und Raumfahrt e.V.
Frank Deidewig
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Solar receiver
Patent number
6,003,508
Issue date
Dec 21, 1999
Deutsches Zentrum fuer Luft- und Raumfahrt e.V.
Bernhard Hoffschmidt
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Trough-type parabolic concentrator
Patent number
5,964,216
Issue date
Oct 12, 1999
Deutsches Zentrum fuer Luft- und Raumfahrt e.V.
Bernhard Hoffschmidt
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Shutter means for regulating the fluid flow in an absorber pipe of...
Patent number
5,944,010
Issue date
Aug 31, 1999
Deutsches Zentrum fuer Luft- und Raumfahrt e.V.
Bernhard Hoffschmidt
F24 - HEATING RANGES VENTILATING