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| All Patents in class 210/95 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,764,722 | Jun. 17, 1930 | F.G. Hobart | Oil Filter | oil filters | |
| 7,416,657 | Aug. 26, 2008 | R.J. Krecthmar | Oil Water Coalescing Separator | liquid extracting machines | |