Aquarium heater

Details Aquarium heater Aquarium heater

1978-07-19

1979-07-31

Mayewsky, Volodymyr Y.

Electric heating

Heating devices

With heater-unit housing, casing, or support means

119 5, 219331, 219335, 219530, 219544, 338240, H05B 102, H05B 380

Patent

active

041631455

ABSTRACT:
An aquarium heater having a heat resistant plastic housing. A heat producing electric resistance wire is positioned in the plastic housing in an aluminum foil container. In one embodiment, the container is an aluminum foil pouch which encloses the heat producing electric resistance wiring. The aluminum foil pouch is filled with sand. In another embodiment, the aluminum container is an annular pan and the electrical resistance wire is coiled in the pan.

REFERENCES:
patent: 1025144 (1912-05-01), Kuhn
patent: 2467447 (1942-04-01), Strezoff
patent: 2529914 (1950-11-01), Challenner
patent: 2548076 (1951-04-01), Strezoff
patent: 2736791 (1956-02-01), Krah et al.
patent: 3305820 (1967-02-01), Lennox
patent: 3728517 (1973-04-01), Tilp
patent: 3895217 (1975-07-01), Hall et al.
patent: 4007371 (1977-02-01), Njos et al.
patent: 4021643 (1977-05-01), Hall et al.

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