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| All Patents in class 137/543.15 | |||||
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| Number | Date | Patentee | Title | Type | |
| 215,800 | May 27, 1879 | G.H. Corliss | Pump-Valve | pump valves | |
| 292,396 | Jan. 22, 1884 | C. Ahrens | Pump-valve | pump valves | |
| 664,025 | Dec. 18, 1900 | L.H. Nash | Gas Engine | gas and gasoline engines | |
| 1,159,123 | Nov. 02, 1915 | G.F. Steedman | Compressor | air compressors | |
| 1,470,625 | Oct. 16, 1923 | J.W. Jones | Plate valve | air compressors | |
| 1,856,617 | May 03, 1932 | W.E. Bebbington | Plate valve | air compressors | |