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| All Patents in class 318/292 | |||||
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| Number | Date | Patentee | Title | Type | |
| 171,087 | Dec. 14, 1875 | J. Bishop | Electro Magnetic Engines | electric motors | |
| 264,982 | Sep. 26, 1882 | E. Weston | Electro Magnetic Motor | DC motors | |
| 294,165 | Feb. 26, 1884 | C.J. Van Depoele | Motor for Electric Regulators | motor regulators | |
| 700,310 | May 20, 1902 | R. Eickemeyer | Alternating-current electric motor and controlling means therefor | ||
| 1,053,940 | Feb. 18, 1913 | J. Burke | Universal motor | universal motors | |