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| All Patents in class 416/175 | |||||
| Number | Date | Patentee | Title | Type | |
| 195,855 | Oct. 02, 1877 | E.R. Stilwell | Turbine Water-Wheels | turbine water wheels | |
| 592,175 | Oct. 19, 1897 | H.H. Sheely | Churn Dasher | churns | |
| 1,744,924 | Jan. 28, 1930 | C.E. Sargent | Wind Motor | wind power apparatus | |