| Patents for Robert W. Aitken |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 197,076 | Nov. 13, 1877 | R.W. Aitken | Balanced-Valve | steam engine valves |
| 204,649 | Jun. 11, 1878 | R.W. Aitken | Piston-Valve for Engines | steam engine valves |
| 257,994 | May 16, 1882 | D. Farquhar, R.W. Aitken | Valve Gear for Steam Engines | steam engine valve gear |
| 288,753 | Nov. 20, 1883 | R.W. Aitken | Brake for Traction Engines | traction engine brakes |
| 303,785 | Aug. 19, 1884 | R.W. Aitken | Valve Gear for Engines | steam engine valve gear |
| 344,071 | Jun. 22, 1886 | R.W. Aitken | Steam Boiler | stationary boilers |
| 425,119 | Apr. 08, 1890 | R.W. Aitken | Connecting Rod | traction engine connecting rods |
