Animal watering apparatus

Details Animal watering apparatus Animal watering apparatus

1984-10-18

1985-12-31

Swiatek, Robert P.

Animal husbandry

Watering or liquid feed device

Temperature-controlling

219338, 219441, 219449, A01K 700

Patent

active

045613842

ABSTRACT:
A watering container for domestic animals having spaced inner and outer walls integrally molded from plastic with electrical heating elements contacting the inner wall controlled so that energy provided to the heating elements is progressively increased with the fall of ambient temperature below freezing.

REFERENCES:
patent: 2463329 (1949-03-01), Stansbury
patent: 2640907 (1953-06-01), Morey
patent: 3010006 (1961-11-01), Schwaneke
patent: 3498268 (1970-03-01), Sleith et al.
patent: 3816687 (1974-06-01), Heitner
patent: 3968348 (1976-07-01), Stanfield
patent: 4320721 (1982-03-01), Silcox

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