| All Patents in class 91/242 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 1,070,932 | Aug. 19, 1913 | E.F. Williams | Valve Controlling Mechanism for Steam Engines | steam engine valve gear |
| 1,072,786 | Sep. 09, 1913 | R.C. Stevens | Engine Valve Gear | steam engine valve gear |
| RE13,694 | Mar. 03, 1914 | R.C. Stevens | Engine Vavle Gear | steam engine valve gear |
| 1,109,807 | Sep. 08, 1914 | L. Skinner, E.F. Williams | Valve Gear for Steam Engines | steam engine valve gear |
| 1,111,983 | Sep. 29, 1914 | L. Skinner, E.F. Williams | Automatic Exhaust Valve | steam engine valves |
| 1,119,462 | Dec. 01, 1914 | R.C. Stevens, A.D. Skinner | Steam Engine Valve | steam engine valves |
| 1,202,913 | Oct. 31, 1916 | R.C. Stevens | Valve Operating Mechanism | steam engine valve gear |
| 1,260,184 | Mar. 19, 1918 | J.C. Glenn | Fluid-Operated Valve Mechanism | steam engine valves |
| 1,285,475 | Nov. 19, 1918 | W. Turnwald | Automatic exhaust-valve | steam engine valves |
| 1,886,212 | Nov. 01, 1932 | H.G. Mueller | Exhaust Valve Mechanism | steam engine valve gear |
| 1,927,526 | Sep. 19, 1933 | H.G. Mueller | Exhaust Valve Mechanism | steam engine valves |
