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| Patents Granted on 1847-05-__ | |||||
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| Number | Date | Patentee | Title | Type | |
| XC-229 | May 01, 1847 | J.C. Gillett | Improved machine for cutting shingles, staves, veneers, &c. | shingle machines | |
| 5,099 | May 01, 1847 | I. Judson | Machinery for dressing staves | cooper | |
| 5,103 | May 08, 1847 | P.W. Gates | Screw Cutting Die | taps and dies | |
| 5,116 | May 18, 1847 | A. Morgan | Metal Drill | horizontal drilling machines | |
| 5,134 | May 29, 1847 | A.H. Pinney | Machinery for jointing staves | barrel making machines | |