| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 137/625.32 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 25,005 | Aug. 09, 1859 | B. Fitts | Improvement in governor-valves | steam check valves | |
| RE921 | Mar. 06, 1860 | A. Crosby | Improved valve for steam-engines | steam engine valves | |
| 205,982 | Jul. 16, 1878 | F.M. Stevens | Improvement in rotary valves | steam engine valves | |
| 1,772,406 | Aug. 05, 1930 | L.E. Whiton | Valve | steam valves | |