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| All Patents in class 417/368 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,187,031 | Jun. 13, 1916 | S.D. Black, A.G. Decker | Air-compressor | ||
| 2,735,026 | Feb. 14, 1956 | J.C. Moerk | Submersible Motor Cooling | motor cooling | |
| 6,121,698 | Sep. 19, 2000 | J.H. Sexton | Oil Cooled Motor and Pump | submersible pumps | |