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| All Patents of Type: refining oil | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,578X | Jul. 20, 1829 | C.E. Ruggles | Mode of Refining All Kinds of Oil | refining oil | |
| NS-20 | Aug. 04, 1854 | R.G. Fraser | Process for extracting oil from seals, whales, porpoises, herrings and other fish | refining oil | |
| NS-102 | Mar. 30, 1863 | A. Gesner | Kerosene oil | refining oil | |