| All Patents in class 91/164 |
Patents 1 -
10
of 16
      |
| Picture | Number | Date | Patentee | Title |
| | 4,317 | Dec. 20, 1845 | J. Ericsson | Compound Steam Engine |
| | 66,975 | Jul. 23, 1867 | J.L. Lay | Compound Steam Engine |
| | 101,617 | Apr. 05, 1870 | W.M. Henderson | Compound Engine |
| | 105,941 | Aug. 02, 1870 | W.M. Henderson | Direct Acting Compound Engine |
 | 262,476 | Aug. 08, 1882 | E. Reynolds | Valve Gear for Compound Engines |
| | 359,707 | Mar. 22, 1887 | W. Brown | Valve for Steam Engines |
 | 381,747 | Apr. 24, 1888 | J. Young | Valve-gear |
 | 401,167 | Apr. 09, 1889 | C. Holly | Compound Steam Engine |
| | 402,622 | May 07, 1889 | J.E. McIntosh, J.A. Seymour | Steam Engine |
 | 521,278 | Jun. 12, 1894 | E.J. Woolf | Engine |
