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| Patents Granted on 1805-06-?? | |||||
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| Number | Date | Patentee | Title | Type | |
| 627X | Jun. 01, 1805 | E. Jenks | Mode of setting boilers of every description | stationary boilers | |
| 628X | Jun. 01, 1805 | J. Bennock | Planing by machinery | wood planers | |
| 629X | Jun. 01, 1805 | J. Hinman | Planing machine for sawing bellows boards | wood planers | |
| 630X | Jun. 15, 1805 | A. McNitt | Method of separating, preparing and collecting the sulphate of pot ashes into Salpolychrestum | manufacturing processes | |
| 631X | Jun. 25, 1805 | L. Valcourt | Mill Machinery | miller | |