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| All Patents in class 237/67 | |||||
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| Number | Date | Patentee | Title | Type | |
| 95,281 | Sep. 28, 1869 | B.F. Sturtevant | Hot Air Furnace | industrial furnaces | |
| 100,211 | Feb. 22, 1870 | B.F. Sturtevant | Heating and Ventilating Apparatus | furnaces | |
| 193,086 | Jul. 17, 1877 | B. Holly | Steam Apparatus | steam heating | |
| 293,246 | Feb. 12, 1884 | L. Herrick | Drilling-machine | drill presses | |
| 587,291 | Jul. 27, 1897 | E.P. Holly | Water Return System for Steam Generators | ||
| 1,675,285 | Jun. 26, 1928 | A.J. Vance | Drier for veneer and sheet material | veneer machines | |