| All Patents in class 310/225 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 269,605 | Dec. 26, 1882 | E. Thomson | Dynamo Electric Machine | electric motors |
| 562,366 | Jun. 23, 1896 | E. Arnold | Electric motor and dynamo | electric motors |
| 924,992 | Jun. 15, 1909 | D.C. Jackson | Dynamo Electric Machine | AC motors |
| 1,004,437 | Sep. 26, 1911 | A. Kimble | Alternating-current motor | electric motors |
| 1,115,352 | Oct. 27, 1914 | M. Walker | Dynamo-electric machine | electric motors |
| 1,361,363 | Dec. 07, 1920 | J. Burke | Compensation windings | electric motors |
| 1,870,302 | Aug. 09, 1932 | H. Weichsel | Alternating current motor | AC motors |
