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| All Patents in class 415/901 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,080,683 | May 18, 1937 | L. Yost | Pump Construction | centrifugal pumps | |
| 2,378,974 | Jun. 26, 1945 | C.D. Bower | Mounting Means for Pump Impellers and the Like | centrifugal pumps | |
| 2,407,348 | Sep. 10, 1946 | R.D. Schott | Impeller Mounting | centrifugal pumps | |
| 3,438,329 | Apr. 15, 1969 | T.W. Fuller | Multistage Hydraulic Pump Having Improved Diffuser Means | hydraulic pumps | |