| All Patents in class 310/63 |
Patents 16 -
21
of 21
      |
| Number | Date | Patentee | Title | Type |
| 2,716,195 | Aug. 23, 1955 | G.R. Anderson | Ventilation of Electric Machines | motor cooling |
| 2,825,827 | Mar. 04, 1958 | F.O. Luenberger | Ventilated electric motors | motor cooling |
| 3,027,470 | Mar. 27, 1962 | W.G. Atherton | Cooling Passage Means for Dynamoelectric Machines | motor cooling |
| 3,225,698 | Dec. 28, 1965 | D.R. Spisiak | Hermetic motor-pump construction | |
| 4,120,616 | Oct. 17, 1978 | N.M. Dwyer, J.A. Rasins | Vacuum cleaner-blower assembly with sound absorbing arrangement | blowers |
| 6,121,698 | Sep. 19, 2000 | J.H. Sexton | Oil Cooled Motor and Pump | submersible pumps |
