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| All Patents in class 417/163 | |||||
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| Number | Date | Patentee | Title | Type | |
| 314,446 | Mar. 24, 1885 | T.J. Hart | Combined Injector and Ejector | feedwater apparatus | |
| 314,533 | Mar. 24, 1885 | J. Jenks | Injector | feedwater apparatus | |
| 326,408 | Sep. 15, 1885 | J. Desmond | Steam Injector | water injectors | |