Electric heating – Heating devices – Combined with diverse-type art device
Patent
1987-11-09
1988-09-06
Raduazo, Henry E.
Electric heating
Heating devices
Combined with diverse-type art device
52 11, 52 12, E04D 1300
Patent
active
047695269
ABSTRACT:
The roof de-icing panel comprises a relatively thin metal sheet having a plurality of spaced, substantially parallel channels formed in the bottom planar surface in which electrical heating cables are disposed. The de-icing panel has an integral gutter guard portion which overlies a gutter secured to the drip edge portion of the roof. The channels form juxtaposed raised portions extending above the top planar surface of the sheet to form dams or barriers to the upward flow of water along the top planar surface.
REFERENCES:
patent: 1664171 (1928-03-01), Hicks
patent: 3053393 (1962-09-01), McLean
patent: 3691343 (1972-09-01), Norman
patent: 4081657 (1978-03-01), Stanford
patent: 4308696 (1982-01-01), Schroeder
patent: 4346277 (1982-08-01), Wojtecki
patent: 4401880 (1983-08-01), Eizenhoefer
patent: 4404775 (1983-09-01), Demartini
Frederick Arthur L.
Raduazo Henry E.
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