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| Patents for Stephen Belknap | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,186X | Dec. 29, 1809 | S. Belknap | Chain band with buckets to give motion to mills | miller | |
| 1,438X | Feb. 15, 1811 | S. Belknap, S. Merrill | Descending saw mill | sawmills | |
| 2,100X | Apr. 08, 1814 | S. Belknap | Cutting brads, nails, and spikes of all sizes | nail making machines | |