Stoves and furnaces – Heaters – Surface
Patent
1989-01-10
1991-06-04
Jones, Larry
Stoves and furnaces
Heaters
Surface
47 144, 47 142, 1262712R, F23C 500
Patent
active
050205102
ABSTRACT:
A substantially rectangular enclosure is in communication with a liquid propane heater. The enclosure is mounted on wheels for towing by a vehicle and includes a downwardly directed opening. A plenum interior to the enclosure receives the heated air and distributes the same in the enclosure. The disclosed burning unit may be towed to melt snow or ice or to destroy plants and seed without igniting them.
REFERENCES:
patent: 3606877 (1971-09-01), Shipp
patent: 3636939 (1972-01-01), Sijbring
patent: 3698380 (1972-10-01), Cook
patent: 3801212 (1974-04-01), Cutler
patent: 4239030 (1980-12-01), Benson
patent: 4561800 (1985-12-01), Hatakenaka et al.
patent: 4644683 (1987-02-01), Jones
patent: 4834002 (1989-05-01), LaChance
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