| All Patents in class 100/269.16 |
Patents 1 -
10
of 14
      |
| Picture | Number | Date | Patentee | Title |
| | 5,423 | Feb. 01, 1848 | R. Dillon | Hydraulic Engine |
 | 424,040 | Mar. 25, 1890 | J.H. Vaile | Press for oil-seeds |
| | 642,009 | Jan. 23, 1900 | W. Lewis, C. Sellers, W. Sellers | Hydraulic Press |
| | 1,302,246 | Apr. 29, 1919 | R.A. Trace | Machine for forming oil-cakes |
| | 1,763,142 | Jun. 10, 1930 | W. Ernst | Hydraulic Press |
| | 1,847,073 | Mar. 01, 1932 | W. Ernst | Hydraulic Press |
| | 1,851,622 | Mar. 29, 1932 | W. Ernst | Valve Mechanism for Hydraulic Presses |
| | 1,870,500 | Aug. 09, 1932 | H.F. MacMillin, W. Ernst | Hydraulic Press |
| | 1,884,060 | Oct. 25, 1932 | H.F. MacMillin | Hydraulic Press |
| | 1,892,568 | Dec. 27, 1932 | W. Ernst | Surge Valve for Hydraulic Presses or the Like |
