| All Patents in class 310/237 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 480,728 | Aug. 16, 1892 | E. Kolben | Ring-armature | motor armatures |
| 493,439 | Mar. 14, 1893 | A.W. Meston | Commutator for dynamo-electric machines and method of constructing same | motor commutators |
| 526,083 | Sep. 18, 1894 | A.W. Meston | Electric motor | AC motors |
| 620,609 | Mar. 07, 1899 | F. Schwedtmann, E.S. Pillsbury | Motor | electric motors |
| 742,280 | Oct. 27, 1903 | J.H. Blair | Electric motor | electric motors |
| 772,083 | Oct. 11, 1904 | E. Bretch | Electric motor | repulsion start induction run motors |
| 909,834 | Jan. 12, 1909 | M. Walker | Brush Holder for Dynamo Electric Machines | motor brush holders |
| 922,521 | May 25, 1909 | C.A. Schnur | Short-circuiting device for electric motors | electric motors |
| 1,157,179 | Oct. 19, 1915 | E.S. Pillsbury | Centrifugal circuit-changing device for electric motors | induction motors |
| 1,209,443 | Dec. 19, 1916 | H.W. Jeannin | Alternating-current motor | repulsion start induction run motors |
| 1,360,166 | Nov. 23, 1920 | C.C. Zenk | Commutator | motor commutators |
| 1,468,307 | Sep. 18, 1923 | G.C. Marx | Sewing-machine motor | |
| 2,541,235 | Feb. 13, 1951 | J.D. Gayer | Fan arrangement for electrical devices | motor cooling |
