Portable apparatus for remotely filtering contaminated liquids from a variety of machinery reservoirs by continuous recycling
Patent 5417851 Issued on May 23, 1995. Estimated Expiration Date: 
May 2, 2014. 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 2, 2014. 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 3759388 3880757 Oil filter seal membrane Advanced dual filtering apparatus Portable filter Filter apparatus with sealing collector and flow control element Cooking oil filtration device having locking means and peripheral channel means Apparatus for multisized filter element cartridge insert for paper towel filters Patent #: 5080791 InventorApplicationNo. 236582 filed on 05/02/1994US Classes:210/167, Closed circulating systems210/168, Lubrication210/196, Of filtrate210/232, WITH REPAIR OR ASSEMBLING MEANS210/238, Hand manipulable210/241, WITH MOVABLE SUPPORT210/416.1, With pump, gas pressure, or suction source210/416.5, For lubricating or oil treating system210/443, Inlet and outlet at same end210/450, Gasket within casing or spaced removable end members210/497.1Helically woundExaminersPrimary: Lithgow, Thomas M.Attorney, Agent or FirmForeign Patent References
International ClassesB01D 029/48B01D 027/07 B01D 027/08 AbstractA portable filtering apparatus with improved canister and filter cartridge design is described for remotely filtering by continuous recycling a variety of solvents and lubricating fluids from machinery reservoirs without requiring the halting of machinery operation or need for emptying said reservoirs to replace the solvents or fluids therein, said filter cartridge being replaceably removable from the canister for complete disposal along with its trapped contaminates preferably by incineration.Field of SearchWITH MOVABLE SUPPORTWith pump, gas pressure, or suction source For lubricating or oil treating system WITH REPAIR OR ASSEMBLING MEANS Closed circulating systems Lubrication Of filtrate Hand manipulable Inlet and outlet at same end Inlet and outlet at same end Gasket within casing or spaced removable end members Helically wound | |
