| All Patents in class 310/57 |
Patents 1 -
10
of 18
      |
| Picture | Number | Date | Patentee | Title |
 | 1,115,440 | Oct. 27, 1914 | F.R. Kunkel | Dynamo-electric machine |
 | 1,159,224 | Nov. 02, 1915 | T. Hoock | Totally enclosed fan-cooled motor |
 | 1,360,482 | Nov. 30, 1920 | J.B. Wiard | Dynamo-electric machine |
 | 1,601,531 | Sep. 28, 1926 | H.W. Jeannin | Gas-proof motor housing |
 | 1,794,029 | Feb. 24, 1931 | G.T. Pfleger | Cooling means for motors |
| | 1,794,649 | Mar. 03, 1931 | A.W. Siler | Protecting and Cooling Means for Dynamo Electric Machines |
| | 1,794,663 | Mar. 03, 1931 | G.R. Anderson | Protecting and heat-radiating means for electric motors |
| | 1,864,867 | Jun. 28, 1932 | J.O. Snyder | Protecting and Cooling Means for Dynamo Electric Machines |
| | 1,907,230 | May 02, 1933 | L. Yost | Protecting and Cooling Means for Dynamo Electric Machines |
 | 1,928,416 | Sep. 26, 1933 | A.C. Elley | Electric motor |
