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| Patents for John R. Averill | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,879X | May 27, 1824 | J.R. Averill | Cast iron steam boiler | stationary boilers | |
| 4,002X | Dec. 29, 1824 | J.R. Averill | Cylindrical stave dresser and cross cutting jointer | cooper | |
| 4,260X | Nov. 12, 1825 | F. Hoard, J.R. Averill | Rotary steam engine | rotary steam engines | |