| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 137/625.21 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 7,023 | Jan. 15, 1850 | W. Kennish | Hydraulic Engine | turbine water wheels | |
| 23,807 | Apr. 26, 1859 | H.H. Evarts | Steam-valve | steam safety valves | |
| 711,287 | Oct. 14, 1902 | I.W. Colburn | Glass-working machine | ||
| 2,579,879 | Dec. 25, 1951 | B.H. Mosbacher, L.T. Stoyke | Gyratory valve for hydraulic pumps or motors | ||