| All Patents of Type: rotary pumps |
Patents 1 -
15
of 54
      |
| Number | Date | Patentee | Title | Type |
| 6,354X | Jan. 27, 1831 | T. Sutton | Rotary pump | rotary pumps |
| 6,482X | Apr. 16, 1831 | J. Beckwith | Pump or engine for raising water and ejecting air | rotary pumps |
| 9,005X | Aug. 15, 1835 | D.M. Walker | Rotary pump | rotary pumps |
| 2,236 | Sep. 04, 1841 | S.A. Lee | Rotary Pump | rotary pumps |
| 6,927 | Dec. 04, 1849 | A. Stiven | Improvement in pumps for raising water | rotary pumps |
| 11,544 | Aug. 22, 1854 | W.D. Andrews | Rotary Pump | rotary pumps |
| 12,350 | Feb. 06, 1855 | B. Holly | Rotary Pump | rotary pumps |
| 13,273 | Jul. 17, 1855 | O. Palmer | Rotary wrecking-pump | rotary pumps |
| 18,986 | Dec. 29, 1857 | O. Palmer | Rotary pump | rotary pumps |
| 20,796 | Jul. 06, 1858 | A.P. Holly | Rotary Pump | rotary pumps |
| 21,756 | Oct. 12, 1858 | W.C. Hibbard | Improvement in centrifugal pumps | rotary pumps |
| 79,781 | Jul. 07, 1868 | S.P. Ruggles | Improvement in Rotary Fluid-Elevators | rotary pumps |
| 89,268 | Apr. 27, 1869 | M.L. Andrew | Improvement in rotary pumps | rotary pumps |
| 89,269 | Apr. 27, 1869 | M.L. Andrew | Improvement in rotary pumps | rotary pumps |
| 134,294 | Dec. 24, 1872 | J.C. Lamb, E. Lavens | Improvement in rotary pumps | rotary pumps |
