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| Patents for Royal Yeamans | |||||
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| Picture | Number | Date | Patentee | Title | |
| 1,313X | May 28, 1810 | R. Yeamans | Pumping machine | ||
| 1,661X | Feb. 08, 1812 | R. Yeamans, J. Curtis | Steam engines | ||
| 2,250X | Jan. 09, 1815 | R. Yeamans | Boilers for steam | ||
| 2,872X | Nov. 20, 1817 | R. Yeamans | Steam boilers | ||