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Class Information
Number: 210/313
Name: Liquid purification or separation > Diverse distinct separators > Including a filter > Including constituent trapping feature > Sediment discharge means > Valve controlled
Description: Apparatus in which the drain means is controlled by a valve.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8673138 Fuel filter Mar. 18, 2014
8636900 Fuel filter Jan. 28, 2014
8613853 Fuel filter system, especially for diesel engines Dec. 24, 2013
8517182 Reflux backwashing mechanism for automatic fluid filtration Aug. 27, 2013
8518255 Water purifier Aug. 27, 2013
8506762 Pressurized vapor cycle liquid distillation Aug. 13, 2013
8480897 Impurities removal apparatus for a fluid inclusion Jul. 9, 2013
8409446 Automatic draining system to drain fluid from a filter Apr. 2, 2013
8409429 Filter device and filter method Apr. 2, 2013
8354031 Liquid filtering system and its automatic cleaning procedure Jan. 15, 2013
8142651 Mass transfer tank system Mar. 27, 2012
8101077 Device for separating platelets from fluid suspensions Jan. 24, 2012
8097155 Above ground water clarifier Jan. 17, 2012
8088283 Continuous batch reactor, system, and process for treatment of metal-contaminated fluids Jan. 3, 2012
8052866 Marine water separating fuel filter Nov. 8, 2011
8002983 Back flushable strainer device Aug. 23, 2011
7972505 Primary equalization settling tank Jul. 5, 2011
7938963 Fuel filter system May. 10, 2011
7931803 Fluid filter Apr. 26, 2011
7850846 Fuel filter Dec. 14, 2010
7824550 Fuel filter Nov. 2, 2010
7799219 Filter and method of making Sep. 21, 2010
7553415 Fuel filter with clean water outlet Jun. 30, 2009
7531098 Integrated automatic blood processing unit May. 12, 2009
RE40051 One-piece self-venting drain valve Feb. 12, 2008
7276154 Settling grid separator Oct. 2, 2007
7232525 Automatic tank cleaning system Jun. 19, 2007
7094344 Filter device Aug. 22, 2006
6984313 Filtration and purification system and method therefor Jan. 10, 2006
6974537 Diesel fuel purifier Dec. 13, 2005
6972092 Self-venting valve end cap and method Dec. 6, 2005
6953527 Fuel tank with water trap Oct. 11, 2005
6939465 Fluid filter system for snow making apparatus Sep. 6, 2005
6866778 Tank for draining a granular material/liquid mixture Mar. 15, 2005
6709576 Fuel filter with water discharge Mar. 23, 2004
6637504 Installation for recovering debris stopped by a filter at the inlet of a heat exchanger Oct. 28, 2003
6579454 Magnetic separator Jun. 17, 2003
6565746 One-piece self-venting drain valve May. 20, 2003
6540926 Filter assembly Apr. 1, 2003
6533935 Drain valve for fuel filter water separator Mar. 18, 2003
6461507 Continuous squeeze-dewatering device Oct. 8, 2002
6358416 Drain valve for fuel filter water separator Mar. 19, 2002
6328889 Filter arrangement Dec. 11, 2001
6290842 Coagulator Sep. 18, 2001
6264831 Integrated fuel filter and fuel pump assembly Jul. 24, 2001
6258269 Self vent drain valve Jul. 10, 2001
6207045 Water-in-fuel integrated control module Mar. 27, 2001
6203698 Filter assembly Mar. 20, 2001
6083381 Fuel filter with sediment drain valve and level indicator Jul. 4, 2000
6042722 Apparatus for de-watering and purifying fuel oils and other liquids Mar. 28, 2000

1 2 3










 
 
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