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| All Patents in class 415/43 | |||||
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| Number | Date | Patentee | Title | Type | |
| 680,745 | Aug. 20, 1901 | J. Sturgess | Speed Regulator | steam engine governors | |
| 870,291 | Nov. 05, 1907 | G.J. Henry, Jr. | Regulating Means for Water Wheel Nozzles | water wheel governors | |
| 993,064 | May 23, 1911 | G.J. Henry, Jr. | Automatic Control for Hydraulic Nozzles | nozzles | |
| 1,114,077 | Oct. 20, 1914 | H.E. Warren | High-pressure prime mover | water power | |
| 2,635,847 | Apr. 21, 1953 | F.H. Rued | Turbine Jet Controller | nozzle controllers | |