| All Patents of Type: steam engine pistons |
Patents 1 -
8
of 8
      |
| Number | Title | Classification(s) |
| 8,916X | Piston for steam engines | |
| 31,303 | Steam Engine Valve | 92/207 |
| 74,750 | Improvement in pistons | 277/483, 277/487 |
| 132,267 | Improvement in Reciprocating Steam Engines | 123/193.1, 123/193.4, 123/63, 92/166, 92/169.1, 92/176, 92/255 |
| CA-3,362 | Piston de Machine a Vapeur | |
| 693,777 | Steam or Other Piston | 277/446, 277/449, 277/464, 277/486, 277/488 |
| 892,017 | Multiple Expansion Engine | 123/58.2, 91/164, 92/152 |
| 925,224 | Insulating Piston for Steam Engines | 92/249 |
