ClassID:

29325

B01D35/157 - 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

Sub-classes:
Recent Application in this class:
#1
20250332484
2025-10-30

BALL WITH FILTER

#2
20250161848
2025-05-22

AQUARIUM FILTER ARRANGEMENT WITH VIBRATION ISOLATION

#3
20240050877
2024-02-15

Water drainage device, filter module, and method

#4
20230415078
2023-12-28

FILTERING GROUP INCLUDING A SPHERICAL VALVE

#5
20230373817
2023-11-23

WATER PURIFIER

#6
20230330568
2023-10-19

MICROPLASTIC EFFLUENT SEPARATOR WITH WASH APPARATUS

#7
20230313715
2023-10-05

Oil filter housing and system

#8
20230249109
2023-08-10

WATER PURIFIER

#9
20230211264
2023-07-06

Aquarium filter arrangement with vibration isolation

#10
20230067418
2023-03-02

Flow control elements and fluid apparatus including the same

#11
20220211475
2022-07-07

Disposable dental waste filter device

#12
20220203732
2022-06-30

Transport device and recording device

#13
20220184537
2022-06-16

Water purifier and flow rate control method therefor

#14
20220096969
2022-03-31

Method for joining a filter and a component, and filter-component system

#15
20220023781
2022-01-27

Filter pulsation dampening device

#16
20220008178
2022-01-13

Disposable dental waste filter device

#17
20220008177
2022-01-13

Disposable dental waste filter device

#18
20210229007
2021-07-29

Aquarium filter arrangement with vibration isolation

#19
20210138371
2021-05-13

Filter pulsation dampening device

#20
20210138370
2021-05-13

Filter pulsation dampening device

#21
20210062692
2021-03-04

Plural circuit oil filter

#22
20200248662
2020-08-06

Discharge control device for a filter system, and filter system having a discharge control device

#23
20200116265
2020-04-16

Compact double shut-off valve

#24
20200086249
2020-03-19

Aquarium filter arrangement with vibration isolation

#25
20200031686
2020-01-30

Water bag pressure detection device, water bag inflow control device and water bag type water purifier

#26
20190329168
2019-10-31

Water purifier and flow rate control method therefor

#27
20190323251
2019-10-24

POOL CLEANING DEVICE

#28
20190299163
2019-10-03

Water purifier

#29
20190217228
2019-07-18

Filter device and system and clogging monitoring method

#30
20190151782
2019-05-23

Aquarium filter arrangement with vibration isolation

#31
20190118123
2019-04-25

Sterilization water discharge device and water treatment device including same

#32
20180339249
2018-11-29

Tank fitting apparatus and method

#33
20180333665
2018-11-22

Filter system with a filter element

#34
20180236441
2018-08-23

SEMIAUTOMATIC HYDRAULIC WATER SOFTENER

#35
20180214802
2018-08-02

Fuel filtration system

#36
20180126309
2018-05-10

Standpipe with flow restriction valve, and filter cartridge

#37
20170356600
2017-12-14

System and process for equalization of pressure of a process flow stream across a valve

#38
20170121184
2017-05-04

Method and apparatus for controlling water output of water purifier, water purifier, and storage medium

#39
20170056797
2017-03-02

Water filter assembly

#40
20160229703
2016-08-11

Water distribution system with dual use water treatment unit

#41
20160208932
2016-07-21

Aperture plates for pressure-regulating valves

#42
20150292455
2015-10-15

Filter assembly for separating water from fuel

#43
20150048017
2015-02-19

Out-of-vat liquid filter for ensuring reliable connection of water pipe connector

#44
20140251466
2014-09-11

Pneumatic port shield

#45
20140144172
2014-05-29

Water filter with features for reduced spilling

#46
20130298998
2013-11-14

Water distribution system with dual use water treatment unit

#47
20130228507
2013-09-05

Filter device

#48
20130126002
2013-05-23

System and process for equalization of pressure of a process flow stream across a valve

#49
20120231529
2012-09-13

Fluid concentrator with removable cartridge

#50
20120145625
2012-06-14

Liquid filter assembly; and, methods

#51
20120080367
2012-04-05

In-tank fuel delivery module having an accessible fuel filter

#52
20110259838
2011-10-27

System for engine oil storage and filtration in an internal combustion engine

#53
20110215037
2011-09-08

UV water purification spigot

#54
20110084008
2011-04-14

Increased efficiency strainer system

#55
20110073538
2011-03-31

Flow restriction valve and filter cartridge

#56
20100294707
2010-11-25

MULTI-STAGE FILTER CARTRIDGE WITH SNAP FIT FILTERS

#57
20100257824
2010-10-14

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

#58
20100224161
2010-09-09

Liquid Filtering Device

#59
20100133155
2010-06-03

Water distribution system with dual use water treatment unit

#60
20100078375
2010-04-01

Filter assembly

#61
20090184044
2009-07-23

In-tank fuel delivery module having an accessible fuel filter

#62
20090166274
2009-07-02

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

#63
20090065447
2009-03-12

Filtration system with a variable restriction orifice

#64
20090057213
2009-03-05

Liquid filter assembly; and methods

#65
20090020465
2009-01-22

Standpipe with flow restriction valve, and filter cartridge

#66
20070227955
2007-10-04

Apparatus for the filtration of liquids

#67
20070175807
2007-08-02

Liquid circuit

#68
20070079813
2007-04-12

Filter unit and valve for a fuel supply system

#69
20060278570
2006-12-14

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

#70
20060278569
2006-12-14

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

#71
20060226065
2006-10-12

Coaxial full-flow and bypass oil filter apparatus and method

#72
20060201865
2006-09-14

Fuel filter with keys

#73
20060086652
2006-04-27

Filter element for keyed latch valve

#74
20060043009
2006-03-02

Micro filter device for an in line filtering configuration

#75
20050279336
2005-12-22

Valve for controlling a fluid flow

#76
20050211609
2005-09-29

Hydraulic filter assembly with priority valve

#77
20050199283
2005-09-15

Hydraulic filter assembly with priority valve

#78
20050155585
2005-07-21

Fuel system

#79
20050145558
2005-07-07

Filter device having a bi-directional valve

#80
20050133463
2005-06-23

Water filter manifold with integral valve

#81
20050098492
2005-05-12

Modular multi-stage water filtration system

#82
20050072721
2005-04-07

Fuel filter with keys

#83
20050000876
2005-01-06

Keyed latch valve for fuel filter

#84
17158115
2024-11-19

Fluid flow control device with different permeabilities