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| All Patents in class 165/51 | |||||
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| Number | Date | Patentee | Title | Type | |
| 720,995 | Feb. 17, 1903 | C.A. Bailey | Cooling Device for Explosive Engines | cooling apparatus | |
| 1,060,733 | May 06, 1913 | C.L. Bailey | Heat Radiating Device | cooling apparatus | |
| 1,302,692 | May 06, 1919 | P.J. Messer | Engine Cylinder | cylinders | |
| 1,931,781 | Oct. 24, 1933 | W.H. Weber | Flow Control Device | pressure regulators | |