| All Patents in class 415/140 |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
| | 31,217 | Jan. 29, 1861 | G.W. Armstrong | Water Wheel |
 | 64,977 | May 21, 1867 | B. Holly | Water Wheel |
 | 666,869 | Jan. 29, 1901 | F.H. Jackson | End Thrust Counterbalance for Centrifugal Pumps and Shafting |
 | 729,870 | Jun. 02, 1903 | B. Jackson | Series High Pressure Centrifugal Pump for High Heads |
| | 1,157,240 | Oct. 19, 1915 | M.B. Macneill | Balanced Centrifugal Pump |
| | 1,506,111 | Aug. 26, 1924 | M. Crozet-Fourneyron | Self Acting Speed Regulating Device for Turbines |
| | 1,955,549 | Apr. 17, 1934 | J.T. Janette | Combined pump and valve |
| | 3,225,698 | Dec. 28, 1965 | D.R. Spisiak | Hermetic motor-pump construction |
