| All Patents in class 185/21 |
Patents 1 -
10
of 10
      |
| Picture | Number | Date | Patentee | Title |
| | 5,024X | Mar. 06, 1828 | J. Galbraith | Lever for working horse mills |
| | 4,051 | May 16, 1845 | E.H. Jaques | Horse Power |
 | 13,955 | Dec. 18, 1855 | S. Pelton | Horse Power |
 | RE2,723 | Aug. 06, 1867 | E. Totman | Improvement in horse-power |
| | 89,368 | Apr. 27, 1869 | D.A. Woodbury | Horse Power |
| | 114,874 | May 16, 1871 | H.B. Stevens | Improvement in Horse Powers |
 | 124,212 | Mar. 05, 1872 | W.J. Liddell | Improvement in horse-powers |
| | 134,511 | Jan. 07, 1873 | L. Bronson | Horse-Powers |
 | 154,057 | Aug. 11, 1874 | W.J. Liddell | Improvement in horse-powers |
| | 335,862 | Feb. 09, 1886 | J.T. Webb | Cane Mill |
