| All Patents in class 137/55 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 26,654 | Jan. 03, 1860 | M. Cridge | Govenor | steam engine governors |
| 69,526 | Oct. 01, 1867 | G. Smith, J.N. Wrigley | Improvement in cut-off valve-gear | steam engine valve gear |
| 138,521 | May 06, 1873 | W. Ord | Governors for Steam Engines | steam engine governors |
| 330,361 | Nov. 10, 1885 | J. Young | Cut-off gear for steam-engines | steam engine valve gear |
| 526,484 | Sep. 25, 1894 | D.A. Decrow | Valve Mechanism | steam engine valve gear |
| 627,700 | Jun. 27, 1899 | H.E. Menier | Governor for Motor Engines | steam engine governors |
