Dual direction transfer system for tramp oil collection
Patent 5053145 Issued on October 1, 1991. Estimated Expiration Date: 
May 3, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
May 3, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3485749 3748682 Floating skimmer for cleaning the surface of a body of liquid, method and apparatus Two-stage oil skimmer separator Automatic and autonomous floating purifier with rotary belt separation and external radial circulation Device for recovering oil floating on water Liquid separator Patent #: 4652372 InventorApplicationNo. 518358 filed on 05/03/1990US Classes:210/776, Skimming134/104.2, With means for collecting escaping material210/195.1, Serially connected distinct treating or storage units210/242.1, Float210/242.3, With oil water skimmer210/262, On different levels210/540, With discharge port210/804, And additional diverse separation210/805, And recirculating liquid210/806Plural separatingExaminersPrimary: Silverman, Stanley S.Assistant: McCarthy, Neil Attorney, Agent or FirmInternational ClassesC02F 001/40B01D 017/025 AbstractA dual direction transfer system for removing oil from an oily water source includes an oil separator mounted on a separator tank located so that its liquid level is above the liquid level of the oily water source, a dual direction transfer pipe through which flows the oily water and substantially oil free water in opposite directions, and a pump to force oily water from the source to the separator tank through the dual direction transfer pipe.Other References
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