ClassID:

29409

B01D39/2072 - CPC Classification

Classification description:

Filtering material for liquid or gaseous fluids; Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires; Other inorganic materials, e.g. ceramics the material being particulate or granular

Sub-classes:
Recent Application in this class:
#1
20260001023
2026-01-01

NETWORK STRUCTURE, POROUS COMPLEX, METHOD OF PRODUCING NETWORK STRUCTURE, AND METHOD OF PRODUCING POROUS COMPLEX

#2
20250325925
2025-10-23

DRAINAGE APPARATUS AND METHOD FOR MATERIAL CLEANING AND DEWATERING

#3
20250318495
2025-10-16

AIRBORNE DUST REDUCING GRANULAR ABSORBENT BLENDS

#4
20250256987
2025-08-14

IRON-BASED DESALINATION

#5
20250041769
2025-02-06

TREATMENT OF PARTICULATE FILTERS

#6
20240100464
2024-03-28

AIR FILTER AND AIR PURIFIER COMPRISING SAME

#7
20240091689
2024-03-21

FILTER ELEMENT FOR FLUID FILTRATION

#8
20240011420
2024-01-11

FINE PARTICLE FILTER, METHOD FOR REMOVING PARTICULATE MATTER FROM EXHAUST GAS OF INTERNAL COMBUSTION ENGINE, AND METHOD FOR PRODUCING FINE PARTICLE FILTER

#9
20230348298
2023-11-02

Iron-based desalination

#10
20230292860
2023-09-21

MULTIFUNCTIONAL FILTER MATERIALS

#11
20230002246
2023-01-05

FILTER MEDIA, FILTER CARTRIDGE CONTAINING FILTER MEDIA, AND METHOD OF FILTERING WATER

#12
20230002245
2023-01-05

FILTER MEDIA, FILTER CARTRIDGE CONTAINING FILTER MEDIA, AND METHOD OF FILTERING WATER

#13
20220402822
2022-12-22

PASTE FOR CERAMIC 3D SHAPING AND METHOD FOR MANUFACTURING THREE-DIMENSIONAL SHAPED OBJECT

#14
20220370937
2022-11-24

Porous composite structure, method of preparing the same, article including the same, and air purifier including the same

#15
20220001354
2022-01-06

COATING SOLUTION

#16
20210346840
2021-11-11

Catalytic efficiency of flue gas filtration

#17
20210238059
2021-08-05

Iron-based desalination

#18
20210129080
2021-05-06

Catalytic efficiency of flue gas filtration

#19
20210024421
2021-01-28

METHOD FOR REFINING METAL MELTS OR SLAGS

#20
20200179848
2020-06-11

NANOFIBERS COMPRISING NANOPARTICLES

#21
20190201824
2019-07-04

Ceramic filter for beverage and manufacturing method of the same

#22
20190071356
2019-03-07

REACTIVE MATERIAL BASED ON CALCIUM ALUMINATE AND CARBON, ITS PROCESS OF PREPARATION AND ITS USES FOR REFINING METAL MELTS OR SLAGS

#23
20190048771
2019-02-14

Particulate filters

#24
20170334742
2017-11-23

MORINGA OLEIFERA AUGMENTED FILTER MEDIA

#25
20170245460
2017-08-31

Airborne dust reducing granular absorbent blends

#26
20170167421
2017-06-15

Engine control sysstem configured to adjust present operation pursuant to predicted duty cycle operating conditions

#27
20170158531
2017-06-08

Water quality-upgrading device

#28
20160326699
2016-11-10

Porous Pavement for Water Quality and Quantity Management

#29
20160151724
2016-06-02

Water purifier

#30
20160121245
2016-05-05

FILTER ELEMENT AND METHOD FOR MANUFACTURING THE FILTER ELEMENT

#31
20150306536
2015-10-29

Layered or mixed sorbent bed protective filtration device

#32
20150283493
2015-10-08

Layered or mixed sorbent bed protective filtration device

#33
20140158619
2014-06-12

FILTERING DEVICES COMPRISING CLAY MINERALS

#34
20120251414
2012-10-04

Porous bodies and methods

#35
20120240538
2012-09-27

Honeycomb filter and manufacturing method of the same

#36
20120217194
2012-08-30

Porous Pavement for Water Quality and Quantity Management

#37
20120160766
2012-06-28

TITANIUM OXIDE POROUS PARTICLE FOR BLOOD PURIFICATION, BLOOD PURIFICATION MATERIAL AND MODULE FOR BLOOD PURIFICATION

#38
20120082603
2012-04-05

Porous bodies and methods

#39
20120079941
2012-04-05

Porous bodies and methods

#40
20110275971
2011-11-10

ELECTROSTATICALLY CHARGED BIOCIDAL MEDIA AND APPLICATIONS THEREFOR

#41
20110232653
2011-09-29

ANTIMICROBIAL, DUSTPROOF FABRIC AND MASK

#42
20110229390
2011-09-22

Porous bodies and methods

#43
20110229389
2011-09-22

Porous bodies and methods

#44
20100298124
2010-11-25

Porous bodies and methods

#45
20100133106
2010-06-03

Porous bodies and methods

#46
20100132944
2010-06-03

Differential filters for removing water during oil production

#47
20090238646
2009-09-24

Method of constructing a filtering pavement surface

#48
20090218292
2009-09-03

Methods of treating water

#49
20090218291
2009-09-03

Methods for treating water

#50
20090031855
2009-02-05

Porous bodies and methods

#51
20080264554
2008-10-30

Electrostatically charged filter media incorporating an active agent

#52
20080142222
2008-06-19

Differential filters for stopping water during oil production

#53
20080093310
2008-04-24

ANTI-MICROBIAL MEDIA AND METHODS FOR MAKING AND UTILIZING THE SAME

#54
20080023383
2008-01-31

Clarification and sorptive-filtration system for the capture of constituents and particulate matter in liquids and gases

#55
20070289270
2007-12-20

Filter for purifying gas mixtures and method for its manufacture

#56
20070122687
2007-05-31

Carbon fiber nonwoven fabric, and production method and use thereof

#57
20070056256
2007-03-15

Electrostatic air filter

#58
20060251879
2006-11-09

Electrostatically charged filter media incorporating an active agent

#59
20060191416
2006-08-31

Vacuum cleaner and dust bag for vacuum cleaner

#60
20060150980
2006-07-13

Anion emission and anti-dust nose mask

#61
20060144403
2006-07-06

Facemask with filtering closure

#62
20060096910
2006-05-11

Hybrid fabric filtration device

#63
20060032807
2006-02-16

Clarification and sorptive-filtration system for the capture of constituents and particulate matter in liquids and gases

#64
20050211635
2005-09-29

Anti-microbial media and methods for making and utilizing the same