| All Patents in class 310/62 |
Patents 16 -
25
of 25
      |
| Number | Date | Patentee | Title | Type |
| 1,911,471 | May 30, 1933 | E.P. Sacrey | Cooling fan for electric motor operated tools | handheld routers |
| 1,915,449 | Jun. 27, 1933 | E.P. Sacrey | Electric motor unit construction for motor driven tools | handheld routers |
| 2,074,067 | Mar. 16, 1937 | V.L. Darnell | Ventilated splashproof motor housing | motor housings |
| 2,079,143 | May 04, 1937 | F.O. Albertson | Handheld disc sander | handheld power sanders |
| 2,157,191 | May 09, 1939 | J.B. Sinnett | Method of and means for cooling motors | motor cooling |
| 2,301,156 | Nov. 03, 1942 | G.D. Behlen | Ventilation system for portable power tools | handheld power tools |
| 2,475,560 | Jul. 05, 1949 | G.H. Brown | Electric motor | vacuum cleaners |
| 2,546,846 | Mar. 27, 1951 | K.C. Atkin | Motor-driven tool | handheld power sanders |
| 2,779,883 | Jan. 29, 1957 | H.W. Schumann | Motor tool | handheld power tools |
| 6,121,698 | Sep. 19, 2000 | J.H. Sexton | Oil Cooled Motor and Pump | submersible pumps |
