| All Patents in class 91/338 |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| AI82 | Apr. 24, 1847 | J. Nasmyth | Machinery or apparatus operated by steam for forging, stamping, and cutting iron and other substances | steam hammers |
| 13,276 | Jul. 17, 1855 | A. Ferguson, J.B. Stott | Cross-Head Attachment for Working Steam-Engine Valves | steam engine valve gear |
| 17,914 | Aug. 04, 1857 | R. Brayton | Nut Machine | nut or bolt making machines |
| 195,804 | Oct. 02, 1877 | A. Cunningham | Auromatic Expansion Gearing for Steam Engines | steam engine governors |
| 359,926 | Mar. 22, 1887 | W.S. Halsey | Steam Engine | steam engines |
