ClassID:

29327

B01D35/1576 - CPC Classification

Classification description:

Other filtering devices; Auxiliary devices for filtration; Filter housing constructions; Safety devices specially adapted for filtration ; Devices for indicating clogging; Flow control valves: Damping or calibrated passages Calibrated passages

Recent Application in this class:
#1
20260070006
2026-03-12

FILTER FOR HYDRAULIC FLUIDS FOR HYDRAULIC CIRCUITS

#2
20250367579
2025-12-04

FULLY SUBMERSED BLOCK STYLE PRIMARY WATER FILTER

#3
20220401857
2022-12-22

OIL FILTER COMPRISING A HYDRAULIC RESISTANCE

#4
20210355896
2021-11-18

Filter element with air-bleed conduit

#5
20200368652
2020-11-26

NO FILTER NO RUN FLUID FILTRATION SYSTEM

#6
20200215468
2020-07-09

Filtration system and method of use

#7
20190390428
2019-12-26

Screen intake flow control and support device

#8
20190217228
2019-07-18

Filter device and system and clogging monitoring method

#9
20190030471
2019-01-31

Fuel filter and mounting support of which the outlet is sealed by a valve in case of removal of a filter insert

#10
20190022562
2019-01-24

Oil filter comprising a hydraulic resistance

#11
20180296952
2018-10-18

Apparatus for providing supplemental advanced filtration

#12
20180221797
2018-08-09

No filter no run fluid filtration system

#13
20180126309
2018-05-10

Standpipe with flow restriction valve, and filter cartridge

#14
20170312664
2017-11-02

Filter cartridge provided with means for draining water and a relative filter group

#15
20170121994
2017-05-04

Swimming pool skimmer attachment

#16
20170106314
2017-04-20

Filter element with air-bleed conduit

#17
20160208932
2016-07-21

Aperture plates for pressure-regulating valves

#18
20160121248
2016-05-05

Sludge concentrator assembly with varying first stage separator, combined with a second stage, clean flow outlet incorporating fixed and variable flow restrictor orifices

#19
20150114897
2015-04-30

Filter with internal frame openings

#20
20130228507
2013-09-05

Filter device

#21
20120298572
2012-11-29

Screen intake flow control and support device

#22
20120168359
2012-07-05

Vented liquid filter vented through media

#23
20120145625
2012-06-14

Liquid filter assembly; and, methods

#24
20120080367
2012-04-05

In-tank fuel delivery module having an accessible fuel filter

#25
20110084009
2011-04-14

Increased efficiency strainer system

#26
20110073538
2011-03-31

Flow restriction valve and filter cartridge

#27
20100294712
2010-11-25

Multi-stage filter cartridge with polyurethane endcaps

#28
20100294707
2010-11-25

MULTI-STAGE FILTER CARTRIDGE WITH SNAP FIT FILTERS

#29
20100257824
2010-10-14

Filter device, particularly reflux vacuum filter, and filter element for such a filter device

#30
20100224161
2010-09-09

Liquid Filtering Device

#31
20100078375
2010-04-01

Filter assembly

#32
20090242820
2009-10-01

FUEL FILTER HOUSING WITH SNAP LOCK VALVE ASSEMBLY

#33
20090184044
2009-07-23

In-tank fuel delivery module having an accessible fuel filter

#34
20090166274
2009-07-02

Engine valve with a combined engine oil filter and valve actuator solenoid

#35
20090065447
2009-03-12

Filtration system with a variable restriction orifice

#36
20090057213
2009-03-05

Liquid filter assembly; and methods

#37
20090020465
2009-01-22

Standpipe with flow restriction valve, and filter cartridge

#38
20070227955
2007-10-04

Apparatus for the filtration of liquids

#39
20070175807
2007-08-02

Liquid circuit

#40
20060278570
2006-12-14

Coaxial full-flow and bypass oil filter having cap with blades

#41
20060278569
2006-12-14

Coaxial full-flow and bypass oil filter with spring/gasket arrangement

#42
20060226065
2006-10-12

Coaxial full-flow and bypass oil filter apparatus and method

#43
20060201865
2006-09-14

Fuel filter with keys

#44
20060086652
2006-04-27

Filter element for keyed latch valve

#45
20060043009
2006-03-02

Micro filter device for an in line filtering configuration

#46
20050279336
2005-12-22

Valve for controlling a fluid flow

#47
20050211609
2005-09-29

Hydraulic filter assembly with priority valve

#48
20050199283
2005-09-15

Hydraulic filter assembly with priority valve

#49
20050155585
2005-07-21

Fuel system

#50
20050145558
2005-07-07

Filter device having a bi-directional valve

#51
20050092665
2005-05-05

Water filter manifold with integral valve

#52
20050072721
2005-04-07

Fuel filter with keys

#53
20050000876
2005-01-06

Keyed latch valve for fuel filter