| Patents for Worthington Steam Pump Co. |
Patents 1 -
4
of 4
      |
| Picture | Number | Date | Patentee | Title |
 | 3,677 | Jul. 24, 1844 | H.R. Worthington | Manner of constructing and governing auxiliary steam-engines for the purpose of supplying steam-boilers with water |
 | RE66 | Sep. 07, 1844 | H.R. Worthington | Improvement in the manner of constructing and governing an auxiliary steam-engine for the purpose of supplying a steam-boiler with water |
 | 6,274 | Apr. 03, 1849 | H.R. Worthington, W.H. Baker | Method of insuring the action of the valves in the direct-action pumping-engines |
 | 24,838 | Jul. 19, 1859 | H.R. Worthington | Pumping Engine |
