Patents for Woolf Valve Gear Co. |
Patents 1 -
7
of 7
      |
Number | Date | Patentee | Title | Type |
407,806 | Jul. 30, 1889 | J. Peebles, E.J. Woolf | Valve Gear for Engines | steam engine valve gear |
444,563 | Jan. 13, 1891 | E.J. Woolf | Valve-Gear for Engines | steam engine valve gear |
455,872 | Jul. 14, 1891 | J. Peebles, E.J. Woolf | Valve Gear for Engines | steam engine valve gear |
521,278 | Jun. 12, 1894 | E.J. Woolf | Engine | steam engine valve gear |
531,285 | Dec. 18, 1894 | E.J. Woolf | Engine | steam engine valve gear |
627,219 | Jun. 20, 1899 | E.J. Woolf | Air and Gas Engine | gas and gasoline engines |
627,220 | Jun. 20, 1899 | E.J. Woolf | Air and Gas Engine | gas and gasoline engines |