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| Patents for Benjamin Cushwa | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,346X | Jan. 24, 1829 | B. Cushwa | Forcing valve piston churn | churns | |
| 1,691 | Jul. 15, 1840 | B. Cushwa | Self-adjusting log-brace for sawmills | sawmill carriages | |
| AI46 | Jun. 19, 1841 | B. Cushwa | Self-adjusting log brace | circular sawmills | |