| All Patents of Type: household hand pumps |
Patents 1 -
15
of 25
      |
| Number | Date | Patentee | Title | Type |
| 2,895 | Dec. 31, 1842 | W. Douglas, B. Douglas | Pump | household hand pumps |
| 5,462 | Feb. 29, 1848 | E. Barlow | Oscillating Pump | household hand pumps |
| XC-265 | Sep. 28, 1849 | J. Winger | Reaction pump | household hand pumps |
| 19,834 | Apr. 06, 1858 | W. Douglas, B. Douglas | Portable pump | household hand pumps |
| 23,649 | Apr. 12, 1859 | W. Douglas, B. Douglas | Pump | household hand pumps |
| NS-61 | Jun. 04, 1860 | C.W. Clements | Dow's lever pumping gear | household hand pumps |
| 30,603 | Nov. 06, 1860 | B. Douglas | Pump | household hand pumps |
| 33,299 | Sep. 17, 1861 | B. Douglas | Pump stand | household hand pumps |
| 35,059 | Apr. 22, 1862 | J.W. Douglas | Double-acting hand pump | household hand pumps |
| 35,802 | Jul. 01, 1862 | B. Douglas | Improved side force-pump | household hand pumps |
| 38,444 | May 05, 1863 | J.W. Douglas | Improvement in pumps | household hand pumps |
| D2,293 | Apr. 03, 1866 | B.S. Nichols | Design for a pump | household hand pumps |
| 56,671 | Jul. 24, 1866 | J.W. Douglas | Double acting pump | household hand pumps |
| 64,292 | Apr. 30, 1867 | J.W. Douglas | Improvement in hose-couplings | household hand pumps |
| 74,321 | Feb. 11, 1868 | J.W. Douglas | Improvement in pumps | household hand pumps |
