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| Patents for F24B 7 - Stoves, ranges, or flue-gas ducts, with additional provisions for convection heating (916) |
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| 08/15/1978 | CA1036449A1 Fireplace heating system | | 08/01/1978 | US4103826 Heat exchanger for a freestanding heating unit | | 08/01/1978 | US4103735 Heat exchanger | | 11/29/1977 | US4060196 Heat extractor for stoves | | 09/27/1977 | US4050628 Heat reclaimer | | 09/27/1977 | US4050627 Adjustable heat recovery system for flue stacks | | 09/13/1977 | US4047490 Recuperative heating system | | 05/31/1977 | US4026264 Portable fireplace heating unit | | 05/03/1977 | US4020823 Hot air heating system | | 04/19/1977 | US4018209 Air heater | | 04/05/1977 | US4015579 Space heater | | 02/22/1977 | US4008705 Freestanding-fireplace and stove heat shield | | 02/15/1977 | US4007726 Forced air assembly for space heater | | 09/21/1976 | US3981292 Heater | | 04/27/1976 | US3952721 Stove with cooking plate | | 03/16/1976 | US3944136 Small building heating system |
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