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| Patents for John Sheffield | |||||
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| Number | Date | Patentee | Title | Type | |
| 7,066X | May 17, 1832 | J. Sheffield, J. Ingraham | Propelling steamboats and other vessels | nautical propulsion apparatus | |
| 2,566 | Apr. 16, 1842 | J. Sheffield | Method of setting logs for sawing boards | sawmill carriages | |
| 11,033 | Jun. 06, 1854 | J. Sheffield | Apparatus for filing mill-saws | saw sharpening machines | |