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| All Patents in class 236/103 | |||||
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| Number | Date | Patentee | Title | Type | |
| 902,713 | Nov. 03, 1908 | W.H. Carrier | Differential thermostat | thermostats | |
| 1,172,709 | Feb. 22, 1916 | F.H. Hopkins | Thermostatic Arch Flow Regulator | pressure regulators | |