Livestock tank water heater
US4599973A · kind A · utility
14Cited by
5References
19Claims
0Family size
Inventor
Key dates
| Filing date | Nov 5, 1984 |
| Grant date | Jul 15, 1986 |
| Priority date | — |
| Expiry date | Nov 5, 2004 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K7/027
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A water heater (10 or 70) for a stock watering tank includes a first (20 or 72) housing portion of molded aluminum, and a second (62 or 94) housing portion of plastic. An electric heating element (12 or 74) is molded into the first housing portion. One of the housing portions includes a cavity (36 or 99). A thermostatically controlled switch (50) is inserted into the cavity and is bonded to the first housing portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.