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| All Patents in class 417/187 | |||||
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| Number | Date | Patentee | Title | Type | |
| 75,059 | Mar. 03, 1868 | W. Sellers | Injector for Feeding Boilers | water injectors | |
| 285,171 | Sep. 18, 1883 | J. Gresham, E.G. Sheward | Injector or Ejector | auxiliary wrenches | |
| 301,004 | Jun. 24, 1884 | J. Reichmann | Injector | water injectors | |
| 332,002 | Dec. 08, 1885 | J. Reichmann | Injector | water injectors | |
| 554,401 | Feb. 11, 1896 | T.J. Sweeney | Injector | water injectors | |
| 1,109,682 | Sep. 08, 1914 | L. Kassander | Jet Pump Apparatus | steam pumps | |