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| All Patents in class 415/216.1 | |||||
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| Number | Date | Patentee | Title | Type | |
| 798,106 | Aug. 29, 1905 | C.V. Kerr | Steam Turbine Nozzle | steam turbines | |
| 2,378,974 | Jun. 26, 1945 | C.D. Bower | Mounting Means for Pump Impellers and the Like | centrifugal pumps | |