| All Patents in class 417/454 |
Patents 1 -
7
of 7
      |
| Number | Title | Classification(s) |
| 13,370 | Direct-acting hydraulic steam-pump | 417/454, 417/537 |
| 364,258 | Lubricating Pump | 417/454, 417/559, 92/140 |
| 620,644 | Pumping engine | 417/399, 417/454, 92/161 |
| 1,159,123 | Compressor | 137/543.15, 417/298, 417/454 |
| 1,801,082 | Pump | 137/543.17, 417/435, 417/454, 417/543 |
| 1,850,690 | Retaining device for plate valves | 137/454.4, 137/601.13, 251/61.2, 417/446, 417/454, 92/94 |
| 2,138,194 | Hydraulic Pump | 417/269, 417/307, 417/454, 417/515, 417/521, 91/489, 92/128, 92/71 |
