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| All Patents in class 416/237 | |||||
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| Number | Date | Patentee | Title | Type | |
| 9,556X | Mar. 30, 1836 | J. Wilbur | Wind mill | wind power apparatus | |
| 3,152 | Jun. 24, 1843 | C. Aylsworth | Water Wheel | water wheels | |
| 43,941 | Aug. 23, 1864 | J. Wisner | Improvement in sawing wood by wind-power | sawmills | |
| 69,169 | Sep. 24, 1867 | R.A. Blood, L.W. Blood | Water Wheel | water wheels | |
| 1,814,417 | Jul. 14, 1931 | S.B. Taylor | Fan for cooling dynamo electric machines, etc. | motor cooling | |