ClassID:

29364

B01D39/00 - CPC Classification

Classification description:

Filtering material for liquid or gaseous fluids

Sub-classes:
Recent Application in this class:
#1
20260048351
2026-02-19

INDOOR AIR CLEANING NETWORK MECHANISM SYSTEM

#2
20250296049
2025-09-25

ORGANIC SOLVENT COLLECTION APPARATUS, SUBSTRATE PROCESSING APPARATUS, AND ORGANIC SOLVENT COLLECTION METHOD

#3
20250196033
2025-06-19

HEAT ACTIVATED ADHESIVE FOR FILTERS THAT MAY CONTAIN MULTIPLE ELEMENTS

#4
20250161097
2025-05-22

ENCLOSURE VENTILATION FILTER

#5
20240293251
2024-09-05

Enclosure ventilation filter

#6
20240269337
2024-08-15

METHOD AND SYSTEM FOR COATING FILTER MEDIA

#7
20240066455
2024-02-29

FILTRATION MEDIA, FILTER PACKS, AND FILTER ELEMENTS WITH PROTRUSIONS

#8
20230225896
2023-07-20

Enclosure ventilation filter and assembly method

#9
20220387914
2022-12-08

Heat activated adhesive for filters that may contain multiple elements

#10
20220195171
2022-06-23

Bijels And Methods Of Making The Same

#11
20220040612
2022-02-10

Electromagnetic priming of molten metal filters

#12
20220008854
2022-01-13

ANTIVIRAL FILTER MEDIUM

#13
20210379517
2021-12-09

LIQUID HYDROCARBON FILTERABILITY SYSTEM

#14
20210321936
2021-10-21

METHODS AND DEVICES FOR DETECTING BOWEL PERFORATION

#15
20200066307
2020-02-27

Recirculation filter for an enclosure

#16
20200001275
2020-01-02

Visible light-activated photocatalytic coating composition and air purification filter

#17
20190374884
2019-12-12

Apparatus for filtering a liquid and method for detecting a state of at least a filter element

#18
20190232218
2019-08-01

Filter membrane

#19
20190201914
2019-07-04

Method and system for releasing mineral from synthetic bubbles and beads

#20
20190168148
2019-06-06

Filter element of a filter device, filter housing and filter device

#21
20190152021
2019-05-23

Method of manufacturing ground product and cup grinding stone

#22
20190053749
2019-02-21

METHODS AND DEVICES FOR DETECTING BOWEL PERFORATION

#23
20190046910
2019-02-14

Air filter with spiral-wrapped frame

#24
20190001246
2019-01-03

LIQUID HYDROCARBON FILTERABILITY SYSTEM

#25
20180333683
2018-11-22

Functional filters for hydrophobic liquid/hydrophilic liquid separations

#26
20180304261
2018-10-25

Blood plasma and blood cell separation device and separating method thereof

#27
20180236438
2018-08-23

Visible light-activated photocatalytic coating composition and air purification filter

#28
20180200730
2018-07-19

Mineral separation using sized-, weight- or magnetic-based polymer bubbles or beads

#29
20180127577
2018-05-10

Bijels and methods of making the same

#30
20180056226
2018-03-01

Filtration media, filter packs, and filter elements with protrusions

#31
20180056220
2018-03-01

Tailored multilayered nano-fibrous filtration media and method of making

#32
20170321168
2017-11-09

Polyimide-based resin film cleaning liquid, method for cleaning polyimide-based resin film, method for producing polyimide coating, method for producing filter, filter medium, or filter device, and method for producing chemical solution for lithography

#33
20170314436
2017-11-02

Plugged honeycomb structure and method for forming plugged honeycomb structure

#34
20170182452
2017-06-29

Capped carbon filter assembly

#35
20170178695
2017-06-22

Recirculation filter for an electronic enclosure

#36
20170173511
2017-06-22

Method for retrovirus removal

#37
20170101390
2017-04-13

Method and apparatus for preparation of lactide using lactide purification process

#38
20160304358
2016-10-20

Separator

#39
20160090948
2016-03-31

Air intake system for an engine

#40
20160016106
2016-01-21

Corrugated filter media with modulated corrugations

#41
20160009008
2016-01-14

Systems for and methods of manufacturing micro-structures

#42
20150298036
2015-10-22

Apparatus and method using an electric field for creating uniform nanofiber patterns on nonconductive materials to enhance filtration and for embedment of fibers into materials for other applications

#43
20150209799
2015-07-30

Mineral recovery in tailings using functionalized polymers

#44
20140305228
2014-10-16

Debris filter for fluidic measurement with recess size decreasing in fluid flow direction

#45
20140227520
2014-08-14

Synthetic beads/bubbles functionalized with molecules for attracting and attaching to mineral particles of interest

#46
20140209534
2014-07-31

Filters for oil-water separation having zwitterionic polymers coated or grafted thereon

#47
20140202959
2014-07-24

Synthetic bubbles or beads having hydrophobic surface

#48
20140199777
2014-07-17

Graphene oxide filters and methods of use

#49
20140199217
2014-07-17

Mineral separation using functionalized filters and membranes

#50
20140197077
2014-07-17

Method and system for releasing mineral from synthetic bubbles and beads

#51
20140190873
2014-07-10

Techniques for transporting synthetic beads or bubbles in a flotation cell or column

#52
20140183104
2014-07-03

Mineral separation using sized-, weight- or magnetic-based polymer bubbles or beads

#53
20140166585
2014-06-19

Flotation separation using lightweight synthetic beads or bubbles

#54
20140138324
2014-05-22

Mineral separation using functionalized membranes

#55
20140110343
2014-04-24

Isolation of interfacial material from organic matrices

#56
20140102457
2014-04-17

Apparatus to Limit the Spread of Infectious Material from a Cough or Sneeze

#57
20140044630
2014-02-13

Catalyzed substrate and exhaust system for internal combustion engine

#58
20140007773
2014-01-09

Filter substrate composition

#59
20130330833
2013-12-12

GRAPHENE OXIDE FILTERS AND METHODS OF USE

#60
20130199375
2013-08-08

AIR FILTER WITH AIR FRESHENER

#61
20130183879
2013-07-18

ALLERGEN DEACTIVATOR COMPOSITION, ARTICLES AND METHODS

#62
20130096399
2013-04-18

Methods and devices for detecting bowel perforation

#63
20130020240
2013-01-24

Device and implementation for filtering oil from water in an appliance

#64
20120298575
2012-11-29

Anti-fouling materials based on poly(β-peptoid)s

#65
20120238683
2012-09-20

Composition and process for making the composition

#66
20120231242
2012-09-13

MICROPOROUS MATERIAL

#67
20120061332
2012-03-15

Method for retrovirus removal

#68
20110256364
2011-10-20

Microporous material

#69
20110193270
2011-08-11

SYSTEMS FOR AND METHODS OF MANUFACTURING MICRO-STRUCTURES

#70
20110117201
2011-05-19

Composition for treatment of water

#71
20090269378
2009-10-29

USE OF TANNINS IN FILTERS

#72
20090111689
2009-04-30

Composition for treating a fluid

#73
20080193961
2008-08-14

Localized Control of Thermal Properties on Microdevices and Applications Thereof

#74
20070295212
2007-12-27

Filter Medium For Filtration Of Gases Filtration Device And Method For Production Of Filter Medium

#75
20070033891
2007-02-15

Support panel

#76
20060027493
2006-02-09

Process for treating lipophilic fluid