United States Patent 3215416
Inventors:
William, Liben
Publication Date:
11/02/1965
Other Classes:
236/44R, 392/397, 261/130, 261/66, 219/629, 236/44A, 261/153, 392/399, 126/113, 261/118
International Classes:
F24D5/00
US Patent References:
| 2616022 | Instantaneous heating of a fluid circulating in a tube | | | |
| 2810381 | Humidifier units for hot air furnaces | | | |
| 2860228 | Humidifier | | | |
| 3102531 | Humidifier spray unit for furnace | | | |