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| All Patents in class 318/127 | |||||
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| Number | Date | Patentee | Title | Type | |
| 286,275 | Oct. 09, 1883 | P.B. Delany | Electrical Synchronous Movement | synchronous motors | |
| 286,281 | Oct. 09, 1883 | P.B. Delany | Electrical Synchronous Movement | synchronous motors | |
| 680,797 | Aug. 20, 1901 | R.D. Mershon | Electromagnetic Motor or Reciprocating Engine | multiphase motors | |
| 2,441,403 | May 11, 1948 | B.N. Engle, J.B. Engle | Teeth setter for saws | saw sharpening machines | |