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| All Patents in class 91/467 | |||||
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| Number | Date | Patentee | Title | Type | |
| 10,647 | Mar. 14, 1854 | A. Taylor | Steam Engine Faucet-Valve | steam engine valves | |
| 124,801 | Mar. 19, 1872 | C.M. Farrar | Improvement in Steam Engines | steam engines | |
| 334,664 | Jan. 19, 1886 | G.M. Hinkley | Feed-carriage for saw-mills | sawmill carriages | |
| 989,009 | Apr. 11, 1911 | C.L. Heisler | Cylinder Drain Cock Operating Mechanism | locomotive drain cock apparatus | |
| 2,570,647 | Oct. 09, 1951 | G.A. Cormier | Power Cylinder and Piston With Leakage Control | hydraulic apparatus | |