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Class Information
Number: 210/248
Name: Liquid purification or separation > With drip, overflow or content draining feature
Description: Apparatus with (1) means for receiving drip or overflow, or (2) means to receive the contents of a filter unit when it is disassembled.










Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8127784 Filter draining device Mar. 6, 2012
8123939 Collection can for precipitated powder substance and the use thereof Feb. 28, 2012
8114285 Tri-flow filter element with venting Feb. 14, 2012
8088291 Method of collecting medical waste in a waste collection unit using disposable manifold with staged waste filtering/processing Jan. 3, 2012
8051992 Water transfer device employing a water buffer to increase water flux Nov. 8, 2011
8034237 Backwashing filter basket Oct. 11, 2011
8020580 Drain pipe connector for fluid filters Sep. 20, 2011
8002974 Passive stormwater management system Aug. 23, 2011
7964094 Filtration and recovery system Jun. 21, 2011
7964105 Method for improving belt press dewatering Jun. 21, 2011
7959010 Standpipe with integrated regulator valve Jun. 14, 2011
7947171 Cooling device for fuel cell May. 24, 2011
7943051 Portable settling and dewatering tank May. 17, 2011
7887701 Fluid filter Feb. 15, 2011
7871517 Filter device Jan. 18, 2011
7862717 Oil filter arrangement Jan. 4, 2011
7850846 Fuel filter Dec. 14, 2010
7846330 Oil filter drain tool Dec. 7, 2010
7842183 Oil filter assembly Nov. 30, 2010
7824550 Fuel filter Nov. 2, 2010
7820044 Fluid filter and method of using same Oct. 26, 2010
7799235 Fluid filter system and related method Sep. 21, 2010
7799220 Hot disconnect replaceable water filter assembly Sep. 21, 2010
7799219 Filter and method of making Sep. 21, 2010
7776209 Control method and apparatus for a water treatment system Aug. 17, 2010
7731846 Grease collection system Jun. 8, 2010
7731845 Fuel filter Jun. 8, 2010
7727390 Oil filter device for an internal combustion engine Jun. 1, 2010
7718054 Water treatment system May. 18, 2010
7713411 Fluid bed filter-dryer apparatus May. 11, 2010
7704392 Minimal residual liquid retention filter housing Apr. 27, 2010
7682508 Base for internal combustion engine filter cartridge Mar. 23, 2010
7670485 Water treatment assembly Mar. 2, 2010
7662285 Filter diaper and method Feb. 16, 2010
7648632 Device for receiving and separating chips and cooling liquid collection on machine tools (overflow) Jan. 19, 2010
7608184 Liquid filter Oct. 27, 2009
7585408 Liquid filter Sep. 8, 2009
7553415 Fuel filter with clean water outlet Jun. 30, 2009
7516794 Pipe separator for the separation of fluids, particularly oil, gas and water Apr. 14, 2009
7509759 System and method of dewatering dredge spoils using sloping drain barge Mar. 31, 2009
7506666 Anti-drip ring and drip seal Mar. 24, 2009
7507339 Self-draining oil filter adaptor Mar. 24, 2009
7497340 Manifold and filter assembly with filter basket Mar. 3, 2009
7490671 Pipe separator with improved separation Feb. 17, 2009
7485218 Storm water filtration system Feb. 3, 2009
7481928 Hot disconnect replaceable water filter assembly Jan. 27, 2009
7390407 Liquid filter Jun. 24, 2008
7371321 Fluid filtration system May. 13, 2008
7347981 Directed flow method and system for bulk separation of single-walled tubular fullerenes based on helicity Mar. 25, 2008
7329344 Grease and scum removal in a filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials Feb. 12, 2008

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