| All Patents in class 417/536 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 6,394X | Feb. 23, 1831 | N. Pierce | Fire engine | fire engines |
| 9,854X | Jul. 01, 1836 | J.G. White | Double force pump | pumps |
| 19,398 | Feb. 16, 1858 | G.M. Woodward, C. Woodward | Pump Valve | pump valves |
| 27,426 | Mar. 13, 1860 | A. Brown, F. Brown | Steam-pump | steam pumps |
| 47,193 | Apr. 11, 1865 | W.F. Dodge | Improvement in pumps | |
| 661,874 | Nov. 13, 1900 | W. Hull | Double Cylinder Pump | hand pumps |
| 974,061 | Oct. 25, 1910 | C.L. Heisler | Pump | piston pumps |
| 1,711,312 | Apr. 30, 1929 | A.F. Froussard | Pump | pumps |
| 1,865,000 | Jun. 28, 1932 | M.J. Goldberg | Pumping Means | piston pumps |
