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| All Patents in class 92/164 | |||||
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| Number | Date | Patentee | Title | Type | |
| 215,807 | May 27, 1879 | G.H. Corliss | Cylinder of Steam-Engines | ||
| 368,445 | Aug. 16, 1887 | C.W. Baldwin | Gas Engine | gas and gasoline engines | |
| 2,006,312 | Jun. 25, 1935 | B. Sassen, H. Ernst | Compensating Bleeder Valve | hydraulic apparatus | |