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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:
| Patent Number |
Title Of Patent |
Date Issued |
| 7824550 |
Fuel filter |
Nov. 2, 2010 |
| 7820044 |
Fluid filter and method of using same |
Oct. 26, 2010 |
| 7799219 |
Filter and method of making |
Sep. 21, 2010 |
| 7799220 |
Hot disconnect replaceable water filter assembly |
Sep. 21, 2010 |
| 7799235 |
Fluid filter system and related method |
Sep. 21, 2010 |
| 7776209 |
Control method and apparatus for a water treatment system |
Aug. 17, 2010 |
| 7731845 |
Fuel filter |
Jun. 8, 2010 |
| 7731846 |
Grease collection system |
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 |
| 7507339 |
Self-draining oil filter adaptor |
Mar. 24, 2009 |
| 7506666 |
Anti-drip ring and drip seal |
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 |
| RE40051 |
One-piece self-venting drain valve |
Feb. 12, 2008 |
| 7297282 |
Fluid filter, drain mechanism thereof, draining jig used in fluid filter and draining method of fluid filter |
Nov. 20, 2007 |
| 7291277 |
Method and device for cleaning the fountain solution of a printing press |
Nov. 6, 2007 |
| 7276114 |
Method for making a road base material using treated oil and gas waste material |
Oct. 2, 2007 |
| 7273550 |
Filter assemblies with valves |
Sep. 25, 2007 |
| 7241385 |
Oil filter canister removal tool |
Jul. 10, 2007 |
| 7179390 |
Method of filtering a fluid and remote filtering station |
Feb. 20, 2007 |
| 7152520 |
Method and apparatus for collecting liquid and extracting tea essence from a tea bag |
Dec. 26, 2006 |
| 7150828 |
Fluid filter having drain structure and drain tool |
Dec. 19, 2006 |
| 7147772 |
Low spillage replaceable water filter assembly |
Dec. 12, 2006 |
| 7147013 |
Fluid containment apparatus, and method of using same |
Dec. 12, 2006 |
| 7141166 |
Drain structure having drainpipe and fluid filter using the same |
Nov. 28, 2006 |
| 7132048 |
Filter element-removing jig |
Nov. 7, 2006 |
| 7112281 |
Underdrain for filtration membrane |
Sep. 26, 2006 |
| 7060184 |
Quick-drain valve member for use with filter apparatus |
Jun. 13, 2006 |
| 7014760 |
Device for receiving and separating chips created by machine tools and coolant (overflow) |
Mar. 21, 2006 |
| 7005067 |
Disc-type filtration apparatus including discharge collector internal to pressure vessel and method filtration |
Feb. 28, 2006 |
| 6994787 |
Clear plastic injection molded fuel/water separator |
Feb. 7, 2006 |
| 6989099 |
Underdrain for filtration membrane |
Jan. 24, 2006 |
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