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| All Patents in class 417/399 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 235,745 | Dec. 21, 1880 | G.H. Corliss | Framing of Beam Engines | ||
| 263,694 | Sep. 05, 1882 | H.F. Gaskill | Pumping engine | ||
| 540,757 | Jun. 11, 1895 | F.W. Ofeldt | Vapor Engine | ||
 | 620,644 | Mar. 07, 1899 | D.A. Decrow | Pumping engine | |