| Patents for Asa Worthington |
Patents 1 -
5
of 5
      |
| 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 |
| | 4,972 | Feb. 20, 1847 | W.H. Baker, H.R. Worthington | Apparatus for gaging the height of water in boilers |
| | 13,370 | Jul. 31, 1855 | H.R. Worthington | Direct-acting hydraulic steam-pump |
| | 15,030 | Jun. 03, 1856 | H.R. Worthington | Method of attaching stems to conical valves |
