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| All Patents in class 277/369 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,037,647 | Sep. 03, 1912 | W.J. London | Steam Turbine Packing Gland | steam turbines | |
| 2,160,778 | May 30, 1939 | H. Ernst, A.H. Dall | Bearing | grinding machines | |
| 2,325,296 | Jul. 27, 1943 | W.G. Baldenhofer | Lubricant Seal for Shafts | metalworking machine lubrication | |
| 2,712,459 | Jul. 05, 1955 | E.C. Wahl | High Speed Shaft Seal | shaft seals | |
| 3,081,821 | Mar. 19, 1963 | A.R. Hamilton | Cylinder mold | paper making machines | |
| 4,434,986 | Mar. 06, 1984 | D.J. Warner | Shaft Seal | shaft seals | |