Aquarium heater

Details Aquarium heater Aquarium heater

1988-10-12

1989-12-26

Reynolds, B. A.

Electric heating

Heating devices

With heater-unit housing, casing, or support means

219311, 219345, 219526, 219536, 219328, 119 5, H05B 320

Patent

active

048899739

ABSTRACT:
An aquarium heater which consists of a heater pad attached to the outside bottom surface of the aquarium. The heater pad uses an etched-foil heating element laminated between layers of insulating material. Normally, the heat is attached to the bottom of the tank using a pressure sensitive adhesive. The aquarium water temperature is maintained using a current limiting electronic controller and a thermistor for sensing temperature. The thermistor is located in the heater pad between the two layers of insulation.

REFERENCES:
patent: 2805313 (1956-05-01), Lumb
patent: 3842241 (1974-10-01), Isaacson
patent: 3890486 (1975-06-01), Fitzgerald
patent: 4313048 (1982-01-01), Holbrook
patent: 4333626 (1982-06-01), Holbrook
patent: 4652726 (1987-03-01), Femino

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