Plant husbandry – Frost preventing
Patent
1986-06-10
1988-05-10
Hafer, Robert A.
Plant husbandry
Frost preventing
126389391, A01G 1300, A47J 2700
Patent
active
047426438
ABSTRACT:
A water heating and distributing system for affording freeze protection to plants and trees characterized by its utilization of a helical conduit for transporting the water to be heated in close proximity to a burner whereby the water's temperature is raised about 20.degree.-25.degree. F. The system further includes a plurality of jet spray heads disposed downstream of the heater in close proximity to the plants and trees to be protected, whereby a relatively fine mist, or fog, of heated water is applied for freeze protection.
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patent: 1846395 (1932-02-01), Huffaker
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patent: 2266162 (1941-12-01), Carlton
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patent: 3734064 (1973-05-01), Lancilla et al.
patent: 4085543 (1978-04-01), Barnard
patent: 4449485 (1984-05-01), Tan
Aquaheet, Inc.
DeMille Danton D.
Hafer Robert A.
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