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| Patents Granted on 1828-02-18 | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,005X | Feb. 18, 1828 | E.B. Hort | Thrashing machine | miller | |
| 5,006X | Feb. 18, 1828 | A. McAllister | Machine for cutting and polishing marble | polishing and buffing machinery | |
| 5,007X | Feb. 18, 1828 | S. Achey | Machine for swingling flax | flax and hemp machines | |