| All Patents of Type: hydraulic machinery |
Patents 1 -
15
of 56
      |
| Number | Date | Patentee | Title | Type |
| 87X | Oct. 29, 1794 | J. Hathaway | Improvement in Hydraulics | hydraulic machinery |
| 5,974X | Oct. 01, 1830 | R. McCormick | Hydraulic machinery | hydraulic machinery |
| 38,606 | May 19, 1863 | C.E. Rymes | Improvement in hydraulic presses | hydraulic presses |
| 43,912 | Aug. 23, 1864 | M. Hittinger | Improvement in hydraulic presses | hydraulic presses |
| 79,710 | Jul. 07, 1868 | S.K. Wellman | Hydraulic Jack | cranes |
| 1,166,558 | Jan. 04, 1916 | H.C. Little, F.E. Stevenson | Press | hydraulic presses |
| CA-169,947 | Jun. 06, 1916 | H.C. Little, F.E. Stevenson | Presse | hydraulic presses |
| 1,335,466 | Mar. 30, 1920 | F.E. Stevenson | Extrusion Press | extrusion presses |
| 1,352,150 | Sep. 07, 1920 | E. Schneider | Recorder for Fluid Pressure Presses | hydraulic presses |
| 1,357,258 | Nov. 02, 1920 | F.E. Stevenson | Press | hydraulic presses |
| 1,412,069 | Apr. 11, 1922 | F.E. Stevenson | Automatic Control for Hydraulic Pumps | hydraulic machinery |
| 1,456,014 | May 22, 1923 | F.E. Stevenson | Means for Operating Presses | hydraulic presses |
| 1,459,757 | Jun. 26, 1923 | F.E. Stevenson | Semiautomatic Table Moving Attachment for Presses | hydraulic presses |
| 1,460,287 | Jun. 26, 1923 | F.E. Stevenson | Tile Press | brick and tile making machines |
| 1,468,523 | Sep. 18, 1923 | F.E. Stevenson | Hydraulic Press | hydraulic presses |
