| All Patents of Type: steam pumps |
Patents 1 -
15
of 17
      |
| Number | Date | Patentee | Title | Type |
| XC-182 | Feb. 20, 1843 | A.H. Hough | Improvement upon a newly constructed suction and forcing pump | pumps |
| 6,274 | Apr. 03, 1849 | H.R. Worthington, W.H. Baker | Method of insuring the action of the valves in the direct-action pumping-engines | steam pumps |
| 13,370 | Jul. 31, 1855 | H.R. Worthington | Direct-acting hydraulic steam-pump | steam pumps |
| 27,426 | Mar. 13, 1860 | A. Brown, F. Brown | Steam-pump | steam pumps |
| 51,522 | Dec. 12, 1865 | C.A. Stillman | Improvement in pumps | steam pumps |
| 88,620 | Apr. 06, 1869 | A. Friedman | Steam Pump | steam pumps |
| 138,622 | May 06, 1873 | R. Eickemeyer | Improvement in steam-pumps | steam pumps |
| CA-5,566 | Jan. 10, 1876 | T. Northey | Steam pump or boiler feeder | steam pumps |
| 189,414 | Apr. 10, 1877 | C. Ahrens | Improvement in steam-pumps | steam pumps |
| 203,553 | May 14, 1878 | T. Northey | Improvement in double stuffing-boxes for steam-pumps | steam pumps |
| 206,054 | Jul. 16, 1878 | H.P. Tenant | Steam-Jet Pump | steam pumps |
| CA-21,309 | Mar. 19, 1885 | T. Northey | Direct acting steam pump | steam pumps |
| 677,866 | Jul. 09, 1901 | W.T. Harris | Apparatus for Returning Exhaust Steam to Steam Boilers | steam pumps |
| 738,822 | Sep. 15, 1903 | C. Linstrom | Injector | steam pumps |
| 1,109,682 | Sep. 08, 1914 | L. Kassander | Jet Pump Apparatus | steam pumps |
