| All Patents in class 415/203 |
Patents 1 -
10
of 11
      |
| Picture | Number | Date | Patentee | Title |
 | 13,273 | Jul. 17, 1855 | O. Palmer | Rotary wrecking-pump |
| | 21,757 | Oct. 12, 1858 | D.W. Hoyt, J.P. Hoyt | Water Wheel |
 | 21,928 | Oct. 26, 1858 | C. Rider | Improvement in water-motors |
| | 364,363 | Jun. 07, 1887 | A.H. Messer | Steam Engine |
| | 503,015 | Aug. 08, 1893 | O.F. Teed | Hydraulic Motor |
| | 510,709 | Dec. 12, 1893 | F.W. Reinhardt | Siphon Motor |
| | 586,059 | Jul. 06, 1897 | J.R. De Remer | Hydraulic Motor |
| | 694,101 | Feb. 25, 1902 | E.R. Hyde | Rotary Engine |
| | 1,864,834 | Jun. 28, 1932 | M.M. Klosson | Centrifugal Pump Impeller |
| | 1,986,836 | Jan. 08, 1935 | M.B. MacNeille | Method of Making Centrifugal Pumps |
