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| All Patents in class 196/119 | |||||
| Number | Date | Patentee | Title | Type | |
| 231,280 | Aug. 17, 1880 | G. Crane | Oil Still | distilling apparatus | |
| 1,382,995 | Jun. 28, 1921 | H.R. Lucke | Process and Apparatus for the Utilization of Heat in Oil Engines | oil engines | |