| Patents for Hydraulic Press Mfg. Co. |
Patents 16 -
30
of 73
      |
| Number | Date | Patentee | Title | Type |
| 1,514,278 | Nov. 04, 1924 | J.C. Fiddyment | Press for Expressing Oils and Liquids | compacting machines |
| 1,514,279 | Nov. 04, 1924 | J.C. Fiddyment | Press | seed or nut presses |
| 1,560,117 | Nov. 03, 1925 | F.E. Stevenson | Molding Press | hydraulic presses |
| 1,567,766 | Dec. 29, 1925 | T.F. Stacy | Plastic Molding Press | industrial presses |
| 1,653,350 | Dec. 20, 1927 | W. Ernst | High Speed Hydraulic Press | hydraulic presses |
| 1,654,761 | Jan. 03, 1928 | F.E. Stevenson | Hydraulic Brick Press | hydraulic presses |
| 1,659,086 | Feb. 14, 1928 | E.R. Darling | Manufacture of High Grade Apple Juice | cider presses |
| 1,672,561 | Jun. 05, 1928 | W. Ernst | High Speed Hydraulic Press | hydraulic presses |
| 1,693,109 | Nov. 27, 1928 | W. Ernst | Semiautomatic Valve | hydraulic valves |
| 1,700,565 | Jan. 29, 1929 | H.F. MacMillin, W. Ernst | Laminated Curb | liquid extracting machines |
| 1,702,550 | Feb. 19, 1929 | F.E. Stevenson | Hydraulic Reducing Valve | hydraulic valves |
| 1,711,378 | Apr. 30, 1929 | W. Ernst | Control Mechanism for Hydraulic Presses | hydraulic presses |
| 1,746,419 | Feb. 11, 1930 | W. Ernst | Control Mechanism for Hydraulic Presses | hydraulic presses |
| 1,755,353 | Apr. 22, 1930 | L.S. Hubbert | Filter Pot Press | liquid extracting machines |
| 1,763,142 | Jun. 10, 1930 | W. Ernst | Hydraulic Press | hydraulic presses |
