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| All Patents in class 236/34 | |||||
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| Number | Date | Patentee | Title | Type | |
| 450,771 | Apr. 21, 1891 | H. Lindley | Apparatus for Controling the Circulation of Liquid Through Cylinder Jackets of Gas or Other Motors | cooling apparatus | |
| 528,063 | Oct. 23, 1894 | A.R. Bellamy, H.H. Andrew | Gas, Oil or Similar Motor Engine | cooling apparatus | |
| 921,035 | May 11, 1909 | C.W. Weiss | Internal Combustion Engine | oil engines | |
| 2,356,958 | Aug. 29, 1944 | A. Von Wangenheim | Valve | flow controls | |