| All Patents in class 415/141 |
Patents 1 -
10
of 15
      |
| Picture | Number | Date | Patentee | Title |
 | 2,485 | Mar. 09, 1842 | P.H. Green, H.H. Evarts | Construction of rotary engines to be propelled by either water or steam |
| | 178,582 | Jun. 13, 1876 | O.J. Backus | Reversible Rotary Water Motor |
| | 320,725 | Jun. 23, 1885 | L.H. Timmons | Rotary Steam Engine |
| | 530,375 | Dec. 04, 1894 | W.H. Willey | Impact Rotary Steam Motor |
| | 654,872 | Jul. 31, 1900 | E.F. Cassel | Hydraulic Motor |
 | 1,481,188 | Jan. 15, 1924 | G.B. Damon | Stack fan |
| | 1,865,502 | Jul. 05, 1932 | G.A. Biggs | Hydraulic Turbine |
| | 1,931,158 | Oct. 17, 1933 | G.A. Biggs | Hydraulic Turbine |
| | 1,948,478 | Feb. 20, 1934 | G.A. Biggs | Hydraulic Turbine |
| | 1,950,773 | Mar. 13, 1934 | G.A. Biggs | Hydraulic Turbine |
