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| Patents for W. Serrell | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,907 | Jan. 10, 1843 | J.P. Smith | Merchant's Slide Rule | scales | |
| 5,643 | Jun. 20, 1848 | S.R. Parkhurst | Carding Machinery | cloth carding machines | |
| 8,589 | Dec. 16, 1851 | H.W. Hayden | Machinery for Making Kettles and Articles of Like Character from Disks of Metal | metal spinning machines | |
| 8,840 | Mar. 30, 1852 | J. Hamilton | Dredging-machine | dredges | |