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| All Patents in class 415/149.1 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 24,019 | May 17, 1859 | O.C. Ford, J.O. Ford | Water Wheel | |
| 31,239 | Jan. 29, 1861 | J. Harris | Water Wheel | ||
 | 92,603 | Jul. 13, 1869 | M. Gregg | Improvement in Turbine Water-Wheels | |
| 201,875 | Apr. 02, 1878 | J.C. Estey | Utilizing Power of Water Pipes | ||
| 220,168 | Sep. 30, 1879 | H.Z. Norton | Hydraulic Engine | ||
| 566,967 | Sep. 01, 1896 | C.G. Curtis | Elastic Fluid Turbine | ||
| 640,237 | Jan. 02, 1900 | J. Straszer | Rotary Gas Engine | ||
| 798,105 | Aug. 29, 1905 | C.V. Kerr | Compound Steam Turbine | ||