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| All Patents in class 417/524 | |||||
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| Number | Date | Patentee | Title | Type | |
| 52,431 | Feb. 06, 1866 | S.G. Mason, C.B. Gill | Improvement in pumps | ||
| 57,531 | Aug. 28, 1866 | S.G. Mason | Improvement in pump-pistons | ||
| 89,060 | Apr. 20, 1869 | S.G. Mason | Improvement in pump-piston | ||
| 202,633 | Apr. 23, 1878 | N. Clute | Double-Acting Suction and Force Pump | pumps | |