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Class Information
Number: 210/DIG.17
Name: Liquid purification or separation > Twist-on
Description:










Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8685243 Fluid filter Apr. 1, 2014
8485365 Fluid filter Jul. 16, 2013
8480885 Full flow liquid filter with integral bypass filtration Jul. 9, 2013
8435405 Oil filter with tapping plate and sealing grommet May. 7, 2013
8425769 Filter arrangement and methods Apr. 23, 2013
8343345 Temporary closure for disposable fluid filters Jan. 1, 2013
8187458 Oil filter May. 29, 2012
8114278 Fuel filter Feb. 14, 2012
8057687 Liquid filter heat exchanger unit Nov. 15, 2011
8021558 Additive dispersing filter and method of making Sep. 20, 2011
7959804 Use of non-metallic load devices in liquid filters Jun. 14, 2011
7811462 Additive dispersing filter and method of making Oct. 12, 2010
7662285 Filter diaper and method Feb. 16, 2010
7553409 Replaceable liquid filter Jun. 30, 2009
7513925 Filters Apr. 7, 2009
7459079 Filter for filtering mutagens from an engine oil Dec. 2, 2008
7435341 Pressure relief valve for filter assembly Oct. 14, 2008
7413588 High efficiency, low restriction, cost effective filter Aug. 19, 2008
7413089 Reusable cartridge oil filter Aug. 19, 2008
7396473 Engine oil filter Jul. 8, 2008
7329337 Universal filter base and engines using same Feb. 12, 2008
7323102 Additive dispensing filter apparatus Jan. 29, 2008
7311748 Air filter assembly system and method Dec. 25, 2007
7297282 Fluid filter, drain mechanism thereof, draining jig used in fluid filter and draining method of fluid filter Nov. 20, 2007
7294161 Filter with rotational end cap base retention Nov. 13, 2007
7291264 Staged oil filter incorporating additive-releasing particles Nov. 6, 2007
7267768 Liquid filter Sep. 11, 2007
7182863 Additive dispersing filter and method of making Feb. 27, 2007
7048848 Hybrid spin-on filter May. 23, 2006
7018531 Additive dispensing cartridge for an oil filter, and oil filter incorporating same Mar. 28, 2006
6998045 Spin-on filter including improved sealing arrangement and filter head therefor Feb. 14, 2006
6994784 Liquid filter/heat exchanger unit Feb. 7, 2006
6977006 Keyed system for connection of filter cartridge to filter holder Dec. 20, 2005
6974539 Combination filter element support and anti-prefill valve Dec. 13, 2005
6969458 Filter Nov. 29, 2005
6966981 Replaceable filter cartridge with support element and liquid filter with such a filter cartridge Nov. 22, 2005
6893555 Dual flow filter May. 17, 2005
6872304 Ring filter element comprising a plug for, in particular, a lubricating oil filter of an internal combustion engine Mar. 29, 2005
6863811 Filter cartridge incorporating a peripheral compatibility matrix Mar. 8, 2005
6823996 Spin-on filter including improved seal arrangement and methods Nov. 30, 2004
6793808 Combination valve support and sealing element for filter cartridges Sep. 21, 2004
6793818 Support and locking structure for a fuel filter Sep. 21, 2004
6790348 External lubricant filter system for automatic transmissions Sep. 14, 2004
6770110 Filtering device comprising a detachable filter housing Aug. 3, 2004
6761822 Dual filter with flow mixer and centrifugal separator Jul. 13, 2004
6758969 Magnetically enhanced oil filter apparatus Jul. 6, 2004
6726030 Standpipe element support for liquid filter Apr. 27, 2004
6723239 Spin-on filter element and filter head Apr. 20, 2004
6695891 Keyed system for connection of filter cartridge to filter holder Feb. 24, 2004
6679990 Cartridge filter with integrated threading having anti-rotation feature Jan. 20, 2004

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