| All Patents in class 310/157 |
Patents 1 -
14
of 14
      |
| Number | Date | Patentee | Title | Type |
| 171,087 | Dec. 14, 1875 | J. Bishop | Electro Magnetic Engines | electric motors |
| 613,054 | Oct. 25, 1898 | D.L. Bates, R.H. Bates | Electric fan | electric motors |
| 617,114 | Jan. 03, 1899 | C.R. Meston | Electric Motor | electric motors |
| RE11,787 | Nov. 14, 1899 | C.R. Meston | Electric motor | shaded pole induction motors |
| 642,615 | Feb. 06, 1900 | C.W. Kragh | Dynamo Electric Machine | motor bearings |
| 908,726 | Jan. 05, 1909 | F.J. Backscheider | Portable electric tool | handheld power drills |
| 1,046,075 | Dec. 03, 1912 | G.L. Kelley | Woodworking or routing machine | handheld routers |
| 1,497,513 | Jun. 10, 1924 | G.L. Kelley | Machine for operating on floors or other surfaces | |
| 1,913,582 | Jun. 13, 1933 | G.A. Biggs | Generator for Hydraulic Turbine | turbine water wheels |
| 1,915,449 | Jun. 27, 1933 | E.P. Sacrey | Electric motor unit construction for motor driven tools | handheld routers |
| 1,920,315 | Aug. 01, 1933 | T.G. Myers | Dynamo-electric machines | motor cooling |
| 2,592,070 | Apr. 08, 1952 | R.I. Robinson | Vertical sanitary motor | electric motors |
| 2,976,438 | Mar. 21, 1961 | F.G. Luber, R.I. Robinson, A.M. Moody | Electric gear-motor drive unit | gear motors |
| 3,087,078 | Apr. 23, 1963 | S.S. Brown | Compact motor | gear motors |
