| All Patents in class 418/215 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 118,366 | Aug. 22, 1871 | C.A. Hege | Improvement in rotary steam-engines | rotary steam engines |
| 453,065 | May 26, 1891 | S.B. Patteson | Rotary Steam Engine | rotary steam engines |
| 464,162 | Dec. 01, 1891 | M.J. Mapes | Rotary Steam Engine | rotary steam engines |
| 655,175 | Jul. 31, 1900 | C.E. Linton | Rotary Engine | rotary steam engines |
| 714,425 | Nov. 25, 1902 | J.F. Williams | Rotary Engine | rotary steam engines |
| 1,006,896 | Oct. 24, 1911 | B.F. Augustine | Rotary Engine | rotary steam engines |
| 1,678,049 | Jul. 24, 1928 | E.J. Kearney | Fluid Control Device | machine tool controls |
| 2,056,909 | Oct. 06, 1936 | L.L. Schauer | Hydraulic motor unit | drill presses |
| 2,056,910 | Oct. 06, 1936 | L.L. Schauer | Hydraulic motor unit | metalworking machine mechanisms |
