| All Patents in class 418/260 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 5,574X | Jul. 16, 1829 | J. Mount | Application of Steam to Produce Rotary Motion | rotary engines |
| 204,430 | Jun. 04, 1878 | B. Frese | Rotary Engine | rotary steam engines |
| 315,318 | Apr. 07, 1885 | J. Moffet | Reversible engine | air motors and turbines |
| 440,491 | Nov. 11, 1890 | J. Moffet | Reversible engine | portable metal boring and drilling machines |
| 583,897 | Jun. 08, 1897 | M.P. Elgen | Rotary Engine | rotary steam engines |
| 798,485 | Aug. 29, 1905 | B.F. Augustine | Rotary Engine | rotary steam engines |
| 990,163 | Apr. 18, 1911 | J.W. von Pittler | Rotary engine | rotary engines |
