All Patents in class 236/44R |
Patents 1 -
10
of 18
      |
Picture | Number | Date | Patentee | Title |
 | 23,287 | Mar. 15, 1859 | T.E. Hunt | Cane Mill |
| 896,690 | Aug. 18, 1908 | W.H. Carrier | Differential thermostat |
| 971,248 | Sep. 27, 1910 | W.H. Carrier | Humidifying apparatus |
| 1,059,976 | Apr. 29, 1913 | W.H. Carrier | System for purifying, humidifying, and controlling the humidity of air |
 | 1,085,971 | Feb. 03, 1914 | W.H. Carrier | Method of humidifying air and controlling the humidity and temperature thereof |
| 1,101,784 | Jun. 30, 1914 | W.H. Carrier | System for controlling the humidity and temperature of air |
| 1,138,082 | May 04, 1915 | W.H. Carrier | Hygrostat or thermostatic device |
| 1,165,225 | Dec. 21, 1915 | W.H. Carrier | Humidity meter |
| 1,167,740 | Jan. 11, 1916 | W.H. Carrier | Method of controlling the humidity of air under pressure |
| 1,169,617 | Jan. 25, 1916 | E.W. Comfort | Thermo-electric humidity instrument |