| All Patents in class 415/80 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 6,766X | Sep. 28, 1831 | A. Foster, W. Avery | Reacting steam engine | rotary steam engines |
| 8,414X | Sep. 18, 1834 | W. Sutton | Rotary steam engine | steam engines |
| 8,932X | Jun. 26, 1835 | C. Hill | rotary reacting steam engine | steam engines |
| 23,311 | Mar. 22, 1859 | T.T. Prosser | Rotary Steam Engine | rotary steam engines |
| 31,217 | Jan. 29, 1861 | G.W. Armstrong | Water Wheel | water wheels |
| 37,841 | Mar. 03, 1863 | S.S. Mecay | Rotary Engine | rotary steam engines |
| 135,707 | Feb. 11, 1873 | W.P. Hale | Improvement in turbine water-wheels | turbine water wheels |
| 305,575 | Sep. 23, 1884 | J.H. Culver | Water Motor | hydraulic motors |
| 523,734 | Jul. 31, 1894 | W.A. Shaw | Reactionary Gas Motor Engine | rotary engines |
