| All Patents of Type: manufacturing salt |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 86X | Sep. 24, 1794 | J. Fennel | Mode of Making Salt | manufacturing salt |
| 122X | Nov. 16, 1796 | G. James | Improvement in Making Salt | manufacturing salt |
| 404X | Nov. 29, 1802 | B. Gorton | Improvement in Extracting Neutral Salts From Alkaline | manufacturing salt |
| 409X | Dec. 18, 1802 | V. Peers | Improvement in Making Salt | manufacturing salt |
| 438X | Mar. 24, 1803 | G. Hunter | Improvement in the Process of Manufacturing Sea Salt | manufacturing salt |
| 457X | May 25, 1803 | T. Alden, Jr. | Expediting the manufacture of common salt | manufacturing salt |
| 645X | Nov. 13, 1805 | J.G. Taylor | Making salt | manufacturing salt |
| 4,911X | Oct. 30, 1827 | A. Brown | Application of Escape Heat From Steam Engines to Make Salt | salt making apparatus |
| 5,329X | Jan. 13, 1829 | J.A. Teissier | Manufacture of Salt | manufacturing salt |
| 5,470X | Apr. 29, 1829 | H.J. Tudor | Mode of Making or Manufacturing Salt From Sea Water or Salt Springs | manufacturing salt |
| 5,893X | Mar. 29, 1830 | S.W. Williams | Manufacturing salt | manufacturing salt |
