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| All Patents in class 122/166.1 | |||||
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| Number | Date | Patentee | Title | Type | |
| 34 | Sep. 29, 1836 | E. Strange, J.W. Strange | Improvement in Vertical Cylindrical Steam-Boilers | stationary boilers | |
| 287,211 | Oct. 23, 1883 | C. Ahrens | Steam-generator | steam generators | |