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| All Patents in class 417/543 | |||||
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| Number | Date | Patentee | Title | Type | |
| 189,414 | Apr. 10, 1877 | C. Ahrens | Improvement in steam-pumps | steam pumps | |
| 215,804 | May 27, 1879 | G.H. Corliss | Pumping-Engine | steam pumps | |
| 257,871 | May 16, 1882 | J. Humphreys, Jr. | Pump | rotary pumps | |
| 1,801,082 | Apr. 14, 1931 | F.G. Hobart | Pump | pumps | |