| All Patents in class 415/203 |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 13,273 | Jul. 17, 1855 | O. Palmer | Rotary wrecking-pump | rotary pumps |
| 21,928 | Oct. 26, 1858 | C. Rider | Improvement in water-motors | water wheels |
| 364,363 | Jun. 07, 1887 | A.H. Messer | Steam Engine | steam engines |
| 503,015 | Aug. 08, 1893 | O.F. Teed | Hydraulic Motor | hydraulic motors |
| 510,709 | Dec. 12, 1893 | F.W. Reinhardt | Siphon Motor | hydraulic motors |
| 586,059 | Jul. 06, 1897 | J.R. De Remer | Hydraulic Motor | hydraulic motors |
| 694,101 | Feb. 25, 1902 | E.R. Hyde | Rotary Engine | rotary steam engines |
| 1,864,834 | Jun. 28, 1932 | M.M. Klosson | Centrifugal Pump Impeller | rotary pumps |
| 1,986,836 | Jan. 08, 1935 | M.B. MacNeille | Method of Making Centrifugal Pumps | centrifugal pumps |
| 2,217,211 | Oct. 08, 1940 | F.E. Brady | Rotary pump | rotary pumps |
