| All Patents of Type: electric motor making |
Patents 1 -
15
of 19
      |
| Number | Date | Patentee | Title | Type |
| 928,037 | Jul. 13, 1909 | W.H. Frost | Dynamo-electric machine | motor armatures |
| 928,084 | Jul. 13, 1909 | L.E. Underwood | Insulating-stud | electric motor making |
| 1,016,700 | Feb. 06, 1912 | A.L. McHugh | Coil-forming machine | electric motor making |
| 1,379,755 | May 31, 1921 | C.W. Francis | Apparatus for making windings | electric motor making |
| 1,467,938 | Sep. 11, 1923 | J.T. Janette | Fastener for securing disks on shafts | electric motor making |
| 1,488,873 | Apr. 01, 1924 | C.W. Francis | Winding | electric motor making |
| 1,507,381 | Sep. 02, 1924 | W. Jannell | Commutator-slotting machine | electric motor making |
| 1,537,533 | May 12, 1925 | W. Jannell | Fiber-crimping- machine | electric motor making |
| 1,538,187 | May 19, 1925 | A.B. Herrick | Method and apparatus for placing windings in motor stators | electric motor making |
| 1,599,415 | Sep. 14, 1926 | J.T. Janette | Rotor for electric motors | electric motor making |
| 1,612,026 | Dec. 28, 1926 | W. Jannell | Winding machine | electric motor making |
| 1,669,134 | May 08, 1928 | N.T. Kelso | Molded commutator | electric motor making |
| 1,695,799 | Dec. 18, 1928 | C.L. Daun | Method of producing integral bar windings in the rotors of electric motors | electric motor making |
| 1,751,559 | Mar. 25, 1930 | T. Schou | Method of standardizing the manufacture of dynamo-electric machines | electric motor making |
| 2,297,988 | Oct. 06, 1942 | M.B. Sawyer | Motor construction | induction motors |
