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| All Patents in class 415/155 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 4,286 | Nov. 26, 1845 | W. Dripps | Water Wheel | ||
| 23,011 | Feb. 22, 1859 | N.F. Burnham | Water Wheel | ||
| 195,793 | Oct. 02, 1877 | J.M. Case | Turbine Water-Wheels | ||
| 1,270,803 | Jul. 02, 1918 | W.F. Folmer | Wind Motor | ||