ClassID:

30100

B01D2201/30 - CPC Classification

Classification description:

Details relating to filtering apparatus Filter housing constructions

Sub-classes:
Recent Application in this class:
#1
20260042040
2026-02-12

FUEL FILTER

#2
20250387742
2025-12-25

Filter Extraction System

#3
20250345730
2025-11-13

FILTER DEVICE HAVING A FILTER ELEMENT

#4
20250345729
2025-11-13

FILTER SYSTEM FOR FILTERING FLUIDS AND FILTER ELEMENT FOR FILTER SYSTEM

#5
20250319430
2025-10-16

FILTER FRAME WITH A CLAMPING STRUCTURE

#6
20250177892
2025-06-05

FILTER

#7
20250128197
2025-04-24

Electric Tool and Blocking Monitoring Method

#8
20250121307
2025-04-17

WATER PURIFIER

#9
20250032969
2025-01-30

AIR FILTER WITH INTEGRATED PRESSURE SENSOR

#10
20240408518
2024-12-12

SPIN-ON FILTER ASSEMBLY FOR EXISTING FILTER HEAD WITH REUSABLE HOUSING AND FILTER ELEMENT ADAPTOR AND DISPOSABLE CORELESS ELEMENT

#11
20240382877
2024-11-21

CHARGED PARTICLE FILTER AND REMOVAL SYSTEM

#12
20240350950
2024-10-24

WATER COOLER FILTER WITH SECURE BAYONET-TYPE CONNECTION

#13
20240227001
2024-07-11

HIGH PRESSURE FILTER APPARATUS AND RELATED METHODS

#14
20240226787
2024-07-11

FILTER FASTENING UNIT ASSEMBLY AND FILTER FASTENING UNIT

#15
20240226785
2024-07-11

HIGH PRESSURE FILTER APPARATUS WITH EXTERNAL SLEEVE AND RELATED METHODS

#16
20240131579
2024-04-25

HIGH PRESSURE FILTER APPARATUS AND RELATED METHODS

#17
20240131460
2024-04-25

FILTER FASTENING UNIT ASSEMBLY AND FILTER FASTENING UNIT

#18
20240131458
2024-04-25

HIGH PRESSURE FILTER APPARATUS WITH EXTERNAL SLEEVE AND RELATED METHODS

#19
20240024907
2024-01-25

Filter module for coating equipment

#20
20240024802
2024-01-25

FILTER ASSEMBLY AND REFRIGERATOR INCLUDING THE SAME

#21
20240009603
2024-01-11

LIQUID FILTER AND FILTER ELEMENT

#22
20230398475
2023-12-14

CHARGED PARTICLE FILTER AND REMOVAL SYSTEM

#23
20230381705
2023-11-30

Filter device having multiple changeable filter surfaces

#24
20230330627
2023-10-19

Systems and Methods for Purifying Solvents

#25
20230175154
2023-06-08

SUSTAINABLE, FACILE SEPARATION OF THE MOLTEN CARBONATE ELECTROLYSIS CATHODE PRODUCT

#26
20230173420
2023-06-08

Pump filter with predetermined swirl

#27
20230119622
2023-04-20

FILTER DEVICE HAVING A FILTER ELEMENT

#28
20230113056
2023-04-13

SPIN-ON FILTER ASSEMBLY WITH REPLACEABLE CORELESS ELEMENT

#29
20220362690
2022-11-17

FILTER UNIT WITH FLOW OPTIMIZATION

#30
20220259752
2022-08-18

Sustainable, facile separation of the molten carbonate electrolysis cathode product

#31
20220203270
2022-06-30

Indexed filter element for spin on rechargeable filter and related method of use

#32
20220161159
2022-05-26

Device for Separating Debris From a Fluid

#33
20220088510
2022-03-24

Filter with interconnected hollow elements and method of use

#34
20220062800
2022-03-03

Cassette filter having a filter element with special folding

#35
20220040602
2022-02-10

Filter press

#36
20220032236
2022-02-03

Fluid separation element

#37
20220001308
2022-01-06

Water cleaner

#38
20210308604
2021-10-07

FLUID TREATMENT SYSTEM HAVING CONCENTRIC CHAMBERS

#39
20210277528
2021-09-09

Sustainable, facile separation of the molten carbonate electrolysis cathode product

#40
20210245078
2021-08-12

Liquid discharge filter and its use

#41
20210230758
2021-07-29

SUSTAINABLE, FACILE SEPARATION OF THE MOLTEN CARBONATE ELECTROLYSIS CATHODE PRODUCT

#42
20210229009
2021-07-29

Water cooler filter with secure bayonet-type connection

#43
20210188660
2021-06-24

Modular underdrain systems

#44
20210060526
2021-03-04

Methods for purifying solvents

#45
20210040632
2021-02-11

Sustainable, facile separation of the molten carbonate electrolysis cathode product

#46
20210002121
2021-01-07

Water ejecting apparatus

#47
20210001253
2021-01-07

Water ejecting apparatus

#48
20200406176
2020-12-31

Fuel filter

#49
20200330906
2020-10-22

FILTER ELEMENT AND FILTER DEVICE

#50
20200306673
2020-10-01

Wall mounting system

#51
20200290891
2020-09-17

Modular underdrain systems

#52
20200278036
2020-09-03

Pressure control device

#53
20200276524
2020-09-03

Pressure control device

#54
20200267948
2020-08-27

Water purification system and filtration block

#55
20200246755
2020-08-06

Self-preserving biodegradable environmental DNA filter

#56
20200197846
2020-06-25

FILTER CARTRIDGE CONNECTING STRUCTURE FOR WATER PURIFIER

#57
20200182207
2020-06-11

SLEEVE FOR A FILTER ASSEMBLY

#58
20200155989
2020-05-21

Air filtration media with performing enhancing additives

#59
20200149173
2020-05-14

Sustainable, facile separation of the molten carbonate electrolysis cathode product

#60
20200122066
2020-04-23

Oil filter with replaceable filter core

#61
20200070068
2020-03-05

Pressure control device

#62
20200063616
2020-02-27

Oil filter systems

#63
20200038788
2020-02-06

Filter apparatus

#64
20200032905
2020-01-30

Filter arrangement with a gel seal and use of such a filter arrangement as an interior air filter

#65
20190374885
2019-12-12

Water cooler filter with secure bayonet-type connection

#66
20190351354
2019-11-21

Magnetic interface for a water filter assembly

#67
20190351353
2019-11-21

Electromagnet interface for a water filter assembly

#68
20190351352
2019-11-21

Electromagnet interface for a water filter assembly

#69
20190343995
2019-11-14

Blood treatment filter and blood bag system

#70
20190329162
2019-10-31

Filter element assembly

#71
20190283028
2019-09-19

Adapter for laboratory cell strainer

#72
20190242342
2019-08-08

Fuel pressure regulator and fuel filter assembly

#73
20190226502
2019-07-25

Hydraulic tank and method for manufacturing a hydraulic tank

#74
20190211525
2019-07-11

Adjustable coupling mechanism for a filter assembly for a retaining wall drainage tube

#75
20190063279
2019-02-28

Oil filter systems

#76
20190001242
2019-01-03

FILTER WITH NON-HORIZONTAL CAVITY

#77
20180361282
2018-12-20

Cast filter assembly-modular design

#78
20180290093
2018-10-11

SiOx filtration unit and method for operating the SiOx filtration unit

#79
20180272256
2018-09-27

Environmental waste water filtering system

#80
20180250617
2018-09-06

Filter housing

#81
20180140985
2018-05-24

Methods and apparatuses for missing filter detection and prevention in rotating coalescer designs

#82
20180140974
2018-05-24

EXCHANGE UNIT AND FLOW CIRCUIT SYSTEM USING SAME

#83
20180126307
2018-05-10

FILTER DEVICE

#84
20180056218
2018-03-01

Filter Housing of an Exchangeable Filter, Filter, Connecting Device, and Filter Device

#85
20180050924
2018-02-22

Oil water separator filter cartridge to housing engagement

#86
20180001288
2018-01-04

Filtration tray for catalytic chemical reactor

#87
20170369342
2017-12-28

Wastewater filtration system

#88
20170291126
2017-10-12

Device for filtering rolling oil

#89
20170173503
2017-06-22

Filter device

#90
20170151382
2017-06-01

Biological fluid filters having flexible walls and methods for making such filters

#91
20170100685
2017-04-13

OIL FILTER

#92
20170028327
2017-02-02

Fluid Filtration Assembly with Locking/Unlocking of the Filter Body

#93
20160214048
2016-07-28

Inline pre-filter for aspirated detectors

#94
20150265954
2015-09-24

Biological fluid filters having flexible walls and methods for making such filters

#95
20150226473
2015-08-13

Refrigerator and filter device

#96
20140144172
2014-05-29

Water filter with features for reduced spilling

#97
20130256206
2013-10-03

Filter element, a filter set, and a filter device

#98
20130134084
2013-05-30

Fluid filter

#99
20120074049
2012-03-29

FILTER ASSEMBLY HAVING METAL MATERIAL IMPROVEMENT

#100
20110233148
2011-09-29

Filter apparatus and filter plate system

#101
20110049035
2011-03-03

FILTER ASSEMBLY

#102
18244558
2024-03-12

Spliceable and foldable filter element device

#103
16182753
2020-03-17

Filter device