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| All Patents in class 122/159 | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,868X | Dec. 21, 1831 | I. Jennings | Steam engine boiler | stationary boilers | |
| 8,473X | Oct. 25, 1834 | J. Goulding | Steam engine, making dry | stationary boilers | |
| 43,301 | Jun. 28, 1864 | L.B. Flanders | Improvement in steam-boilers | stationary boilers | |