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Heat emitting radiator
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Patent number 11,067,295
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Issue date Jul 20, 2021
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Ray King
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F28 - HEAT EXCHANGE IN GENERAL
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PV water heating system
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Patent number 9,002,185
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Issue date Apr 7, 2015
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David Kreutzman
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F24 - HEATING RANGES VENTILATING
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Space heating system
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Patent number 6,788,884
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Issue date Sep 7, 2004
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Moletherm Holding AG
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Helmut Reichelt
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F24 - HEATING RANGES VENTILATING
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-
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Fireplace heating system
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Patent number 4,131,231
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Issue date Dec 26, 1978
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Ridgway Steel Fabricators, Inc.
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Clarence W. Cleer
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Water jacket fabrication
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Patent number 4,080,701
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Issue date Mar 28, 1978
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Ridgway Steel Fabricators, Inc.
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Clarence W. Cleer
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Heat storage system
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Patent number 4,044,949
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Issue date Aug 30, 1977
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Ernst Morawetz
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F24 - HEATING RANGES VENTILATING
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Fireplace heating system
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Patent number 4,025,043
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Issue date May 24, 1977
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Ridgway Steel Fabricators, Inc.
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Clarence W. Cleer
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F24 - HEATING RANGES VENTILATING
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2860493
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Patent number 2,860,493
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Issue date Nov 18, 1958
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F24 - HEATING RANGES VENTILATING