B01D2239/125 - CPC Classification Index

#1

20260084084

2026-03-26

Particulate Filter

#2

20240165546

2024-05-23

FILTER, MANUFACTURING METHOD THEREFOR, FILTER DEVICE, METHOD OF SEPARATING OR FRACTIONATING RARE CELLS, AND METHOD OF ANALYZING RARE CELLS IN CELL SUSPENSION

#3

20240042356

2024-02-08

Filtration media and method of manufacturing filtration media using nanofilm

#4

20240009609

2024-01-11

WASHABLE FILTER BODIES AND METHODS FOR PRODUCING

#5

20230321584

2023-10-12

FILTRATION MEDIA AND FILTERS INCLUDING NANOPARTICLES

#6

20230271122

2023-08-31

Filtration Body Using Layered Double Hydroxide and Method for Manufacturing Said Filtration Body

#7

20230226473

2023-07-20

DEPTH FILTER

#8

20230136926

2023-05-04

POROUS STRUCTURE SUCH AS FOR FILTERS, AND MAKING THE SAME

#9

20230067575

2023-03-02

PARTICULATE FILTERS

#10

20230012056

2023-01-12

FILTER MEDIUM HAVING A NONWOVEN LAYER AND A MELT-BLOWN LAYER

#11

20220259132

2022-08-18

Method for producing propionic acid derivative

#12

20220241715

2022-08-04

Honeycomb structure body, honeycomb structure filter, and extrusion molding die

#13

20220089828

2022-03-24

Sintered polymeric particles for porous structures

#14

20210370205

2021-12-02

REMOVAL OF WATER CONTAMINANTS USING ENHANCED CERAMIC FILTRATION MATERIALS

#15

20210268688

2021-09-02

MANUFACTURING METHOD OF HONEYCOMB FILTER

#16

20210268478

2021-09-02

MANUFACTURING METHOD OF HONEYCOMB FILTER

#17

20200398200

2020-12-24

FILTER MEDIUM HAVING A NONWOVEN LAYER AND A MELT-BLOWN LAYER

#18

20200384397

2020-12-10

Filtration Body Using Layered Double Hydroxide and Method for Manufacturing Said Filtration Body

#19

20200114291

2020-04-16

Gradient nanofiber filter media

#20

20190134563

2019-05-09

Nanofiber augmented diesel particulate filters

#21

20190091616

2019-03-28

Filter element for wafer processing assembly

#22

20180353883

2018-12-13

Nonwoven fabric and air filter including same

#23

20180243675

2018-08-30

Gradient nanofiber filter media

#24

20170341052

2017-11-30

ADSORPTION FILTER

#25

20170106129

2017-04-20

BONDED MICROSPHERE FILTER

#26

20160166961

2016-06-16

Gradient nanofiber filter media

#27

20160024269

2016-01-28

Sintered polymeric particles for porous structures

#28

20150251124

2015-09-10

Ceramic honeycomb structure and its production method

#29

20150107457

2015-04-23

Electret nanofibrous web as air filtration media

#30

20140190353

2014-07-10

Filter media with improved conductivity

#31

20140103560

2014-04-17

Ceramic honeycomb structure and its production method

#32

20140044756

2014-02-13

Multilayer nanofiber filter

#33

20130277297

2013-10-24

Leucocyte removal filter

#34

20130025247

2013-01-31

Exhaust gas purification filter, and method of manufacturing exhaust gas purification filter

#35

20120318732

2012-12-20

SINTERED ETHYLENE POLYMER FILTER

#36

20120317947

2012-12-20

Ceramic honeycomb structure and its production method

#37

20120148792

2012-06-14

Ceramic honeycomb structure and its production method

#38

20120031827

2012-02-09

AGGLOMERATION OF HIGH SURFACE AREA RARE EARTHS

#39

20110287921

2011-11-24

PROCESS FOR PRODUCING ALUMINUM TITANATE-BASED FIRED BODY

#40

20110265312

2011-11-03

Filter media with improved conductivity

#41

20110155661

2011-06-30

Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles

#42

20110073551

2011-03-31

FILTER MODULES FOR IMPROVED MEDIA UTILIZATION AND USE IN GENERALLY CYLINDRICAL HOUSING

#43

20110042298

2011-02-24

Filter medium and water filtration system including the same

#44

20110030557

2011-02-10

High efficiency low pressure drop synthetic fiber based air filter made completely from post consumer waste materials

#45

20100307119

2010-12-09

Multilayer nanofiber filter

#46

20100219131

2010-09-02

Water purification apparatus and system

#47

20100212071

2010-08-26

Adsorption filter material, particularly for producing ABC protective clothing having improved wearing physiology

#48

20090308800

2009-12-17

Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles

#49

20090008323

2009-01-08

Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles

#50

20080314821

2008-12-25

Filter medium, fluid filter, and engine oil filter

#51

20080105611

2008-05-08

Filters having improved permeability and virus removal capabilities

#52

20070028767

2007-02-08

Filter media with improved conductivity

#53

20060123991

2006-06-15

Adsorption filter

#54

20050279696

2005-12-22

Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles

#55

20050247608

2005-11-10

Filters having improved permeability and virus removal capabilities

#56

20050016917

2005-01-27

High efficiency filter material and composition