| All Patents in class 310/52 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 633,856 | Sep. 26, 1899 | J.P. Mallett, B.G. Lamme | Distributed winding for electrical machines | electric motors |
| 1,121,014 | Dec. 15, 1914 | H.M. Hobart | Electrical apparatus | electrical devices |
| 1,135,327 | Apr. 13, 1915 | M.A. Savage | Dynamo-electric machine | motor cooling |
| 1,300,373 | Apr. 15, 1919 | G.H. Garcelon, J.L. Chantemerle, M.W. Bartmess | Dynamo-electric machine | motor cooling |
| 1,325,232 | Dec. 16, 1919 | J.R. Cook | Electric-motor casing | electric motors |
| 1,423,511 | Jul. 25, 1922 | J.N. Baker | Routing tool | handheld routers |
| 1,497,513 | Jun. 10, 1924 | G.L. Kelley | Machine for operating on floors or other surfaces | |
| 2,074,067 | Mar. 16, 1937 | V.L. Darnell | Ventilated splashproof motor housing | motor housings |
| 2,157,191 | May 09, 1939 | J.B. Sinnett | Method of and means for cooling motors | motor cooling |
| 2,381,914 | Aug. 14, 1945 | J. Leflar, V.L. Darnell | Motor housing | motor housings |
| 6,043,575 | Mar. 28, 2000 | R.D. DeRome, M.S. Scolaro, A.P. Ghode | Power Tool with Air Deflector for Venting Motor Exhaust Air | |
| 6,121,698 | Sep. 19, 2000 | J.H. Sexton | Oil Cooled Motor and Pump | submersible pumps |
