| All Patents of Type: electric motor making |
Patents 1 -
15
of 47
      |
| Number | Date | Patentee | Title | Type |
| 393,266 | Nov. 20, 1888 | A.L. Riker | Electric motor and dynamo | electric motor making |
| 874,163 | Dec. 17, 1907 | P.E. Chapman | Armature-winding machine | electric motor making |
| 925,271 | Jun. 15, 1909 | B.A. Behrend | Core Spacing for Dynamo Electric Machines | electric motor making |
| 925,355 | Jun. 15, 1909 | B.G. Lamme | Method of and Means for Operating Dynamo Electric Machines | electric motor making |
| 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 |
| 979,375 | Dec. 20, 1910 | J. Burke | Method of forming coils for armature-windings | electric motor making |
| 1,016,700 | Feb. 06, 1912 | A.L. McHugh | Coil-forming machine | electric motor making |
| 1,121,798 | Dec. 22, 1914 | P.E. Chapman | Drum-armature-winding machine | electric motor making |
| 1,351,230 | Aug. 31, 1920 | P.E. Chapman | Armature and coil winding machine | electric motor making |
| 1,379,755 | May 31, 1921 | C.W. Francis | Apparatus for making windings | electric motor making |
| 1,396,728 | Nov. 15, 1921 | P.E. Chapman | Unreeling and tension device | 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 |
| 1,500,181 | Jul. 08, 1924 | P.E. Chapman | Armature and coil winding machine | wire winding machines |
