| All Patents in class 418/248 |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
 | 3,039 | Apr. 10, 1843 | W.S. Rider, A.K. Rider | Rotary steam-engine |
| | 200,036 | Feb. 05, 1878 | G. Evens | Rotary- Engines |
| | 207,968 | Sep. 10, 1878 | J. Jardine | Rotary Engine |
| | 536,348 | Mar. 26, 1895 | R.L. Henderson | Rotary Steam Engine |
| | 630,426 | Aug. 08, 1899 | C.F. Thurber | Rotary pump |
| | 655,175 | Jul. 31, 1900 | C.E. Linton | Rotary Engine |
| | 714,425 | Nov. 25, 1902 | J.F. Williams | Rotary Engine |
| | 845,270 | Feb. 26, 1907 | R.F. Schmidt | Rotary Engine |
| | 986,641 | Mar. 14, 1911 | W.L. Merrill | Rotary Engine |
