ClassID:

5572

A24D3/163 - CPC Classification

Classification description:

Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes; Use of materials for tobacco smoke filters of inorganic materials Carbon

Recent Application in this class:
#1
20260150893
2026-06-04

FILTER AND AEROSOL GENERATING ARTICLE INCLUDING THE FILTER

#2
20260068926
2026-03-12

ACTIVATED CARBON, FILTER FOR SMOKING ARTICLE AND SMOKING ARTICLE INCLUDING THE SAME

#3
20250325021
2025-10-23

SMOKE FILTER FOR CIGARETTES AND OTHER SMOKING IMPLEMENTS

#4
20250160395
2025-05-22

An Aerosol Generating Article Comprising Impregnated Charcoal Paper Filter and a Flavoring Capsule

#5
20250160394
2025-05-22

FLAVORED SHEET INCLUDING ACTIVATED CARBON, AND FILTER AND SMOKING ARTICLE EACH INCLUDING THE SAME

#6
20250072483
2025-03-06

PAPER TUBE FOR SMOKING ARTICLES WITH FLAVORED SHEET, AND SMOKING ARTICLE

#7
20250000134
2025-01-02

PAPER TUBE

#8
20240407431
2024-12-12

SHEET FOR FLAVOR INHALATION ARTICLE

#9
20240324663
2024-10-03

NON-COMBUSTION-HEATING-TYPE STICK

#10
20240324659
2024-10-03

Filtering Apparatus For A Cigarette

#11
20240245106
2024-07-25

FILTER FOR CIGARETTES AND CIGARETTE INCLUDING THE SAME

#12
20240196964
2024-06-20

FILTER, AN AEROSOL-GENERATING ARTICLE COMPRISING THE SAME, AND A METHOD OF MANUFACTURING THE FILTER

#13
20240188631
2024-06-13

HARM-REDUCING CIGARETTE FILTER, PREPARATION METHOND AND APPLICATION THEREOF

#14
20240138468
2024-05-02

SMOKING ARTICLE USING A CONTINUOUS STRUCTURE OF AN ENCAPSULATED MATERIAL

#15
20230354887
2023-11-09

DEVICE FOR FILTERING SMOKE

#16
20230276842
2023-09-07

HYGIENE MOUTHPIECE ELEMENT, HANDLE MOUTHPIECE ELEMENT, TUBE DEVICE FOR WATER PIPES AND WATER PIPE

#17
20230112430
2023-04-13

TUBE WITH ACTIVE FILTER

#18
20220400743
2022-12-22

TOBACCO SMOKE FILTER

#19
20220354159
2022-11-10

CONICAL FILTER SLEEVE WITH A FILTER COMPRISING ACTIVATED CARBON

#20
20220346439
2022-11-03

Smoking apparatus and method

#21
20220338532
2022-10-27

Smoke filter apparatus

#22
20220183352
2022-06-16

Hookah downstem filter assembly

#23
20220167664
2022-06-02

CIGARETTES AND CIGARETTE FILTERS INCLUDING ACTIVATED CARBON FOR REMOVING NITRIC OXIDE

#24
20220007713
2022-01-13

Universal filtering mouthpiece for smoking devices

#25
20210378291
2021-12-09

Smoking filter

#26
20210362124
2021-11-25

GRAPHENE BASED TOBACCO SMOKE FILTER AND A METHOD FOR SYNTHESIZING GRAPHENE COMPOSITION

#27
20210321666
2021-10-21

FILTER FOR SMOKING ARTICLE

#28
20210315269
2021-10-14

Cigarette filter containing alginite

#29
20210244083
2021-08-12

SMOKING SUBSTITUTE CONSUMABLE

#30
20210227880
2021-07-29

SMOKING PRODUCT, METHOD FOR PRODUCING SAID SMOKING PRODUCT, AND METHOD FOR DISTINGUISHING GRANULAR ACTIVATED CARBON

#31
20210015149
2021-01-21

Smoking apparatus filtration device and related technologies

#32
20200281259
2020-09-10

Smoking article and mouthpiece therefor

#33
20200281257
2020-09-10

Nozzle for manufacturing flavor capsule of tobacco

#34
20200146343
2020-05-14

FLAVOR CAPSULE FOR ENHANCED FLAVOR DELIVERY IN CIGARETTES

#35
20200037659
2020-02-06

Filters For Smoking Articles For Less Additive(s) Loss

#36
20190343175
2019-11-14

SMOKING ARTICLE FILTER WITH AMORPHOUS MAGNESIUM CARBONATE

#37
20190320725
2019-10-24

Aerosol-cooling element and arrangements for use with apparatus for heating a smokable material

#38
20190281888
2019-09-19

NEW CIGARETTE FILTER CONTAINING ALGINITE

#39
20190174818
2019-06-13

Multi-stage filtration device

#40
20190161412
2019-05-30

Graphene based tobacco smoke filter and a method for synthesizing graphene composition

#41
20190110516
2019-04-18

Cigarettes and cigarette filters including activated carbon for removing nitric oxide

#42
20190015774
2019-01-17

REUSABLE AIR FILTER WITH REPLACEABLE CAPSULE

#43
20190000136
2019-01-03

SMOKE GAS FILTER DEVICE AND TOBACCO PRODUCT

#44
20180255829
2018-09-13

Filter-Tipped Cigarette

#45
20180228209
2018-08-16

Graphene adsorbing material, preparation method therefor and application thereof, and cigarette filter tip and cigarette

#46
20180220700
2018-08-09

Activated carbon beads for smoking articles

#47
20180092398
2018-04-05

Method and apparatus for manufacturing flavor capsule of tobacco

#48
20180064162
2018-03-08

Filters for smoking articles having high additive(s) loadings

#49
20180042295
2018-02-15

Smoking article and mouthpiece therefor

#50
20180000153
2018-01-04

Shaped elements for smoking devices

#51
20180000151
2018-01-04

Filter rod including electrostatically charged fibers

#52
20170265518
2017-09-21

Machine and method for producing substantially cylindrical articles of the tobacco processing industry

#53
20170042221
2017-02-16

Aerosol-cooling element and arrangements for use with apparatus for heating a smokable material

#54
20170042220
2017-02-16

Method of Manufacturing Smoking Article With Activated Carbon Sorbent and Sodium Bicarbonate-Treated Fibers

#55
20160316815
2016-11-03

Activated carbon for smoking articles

#56
20160302479
2016-10-20

METHOD OF MAKING MODIFIED ACTIVATED CARBON

#57
20160295914
2016-10-13

Smoking article having a filter including a capsule

#58
20160286855
2016-10-06

Adsorbent materials

#59
20160219928
2016-08-04

SMOKING ARTICLE HAVING CARBON DIOXIDE DELIVERY TECHNOLOGY FOR SENSORIALLY IMPROVED CARBON FILTRATION AND METHOD OF MAKING

#60
20160205997
2016-07-21

Menthol-sorbed activated charcoal, cigarette filter, and filter-tipped cigarette

#61
20160192701
2016-07-07

Filter materials including functionalized cellulose

#62
20160174605
2016-06-23

Tobacco-derived carbon material

#63
20160165950
2016-06-16

Reduction of carbon monoxide in mainstream cigarette smoke

#64
20150336092
2015-11-26

Compositions comprising functionalized carbon-based nanostructures and related methods

#65
20150313277
2015-11-05

PROCESS FOR MAKING A CONTINUOUS STRUCTURE OF AN ENCAPSULATED MATERIAL

#66
20150181929
2015-07-02

Tobacco smoke filter

#67
20150090283
2015-04-02

Cigarettes and cigarette filters including activated carbon for removing nitric oxide

#68
20140216487
2014-08-07

Porous carbon and methods of production thereof

#69
20140216486
2014-08-07

Cigarette mainstream smoke component adsorbent and cigarette filter

#70
20140137881
2014-05-22

Filter for a smoking article

#71
20140011666
2014-01-09

Porous carbon material, adsorbent, oral adsorbent, medical adsorbent, filler for blood purification column, water purification adsorbent, cleansing agent, carrier, sustained release pharmaceutical, cell culture scaffold, mask, carbon/polymer composite, adsorbent sheet and functional food

#72
20130340777
2013-12-26

Cigarettes and cigarette filters including activated carbon for removing nitric oxide

#73
20130331247
2013-12-12

Method and apparatus for manufacture of smoking article filter assembly including electrostatically charged fibers

#74
20130239983
2013-09-19

Smoke Filters for Smoking Devices with Porous Masses Having a Carbon Particle Loading and an Encapsulated Pressure Drop

#75
20130146072
2013-06-13

Composite materials and their use in smoking articles

#76
20130104918
2013-05-02

FILTER AND METHOD OF MAKING SAME

#77
20120222690
2012-09-06

Smoke filtration

#78
20120174936
2012-07-12

Methods for Increasing Mesopores into Microporous Carbon

#79
20120171093
2012-07-05

COMPOSITIONS COMPRISING FUNCTIONALIZED CARBON-BASED NANOSTRUCTURES AND RELATED METHODS

#80
20120116094
2012-05-10

Compositions comprising and methods for forming functionalized carbon-based nanostructures

#81
20120037173
2012-02-16

Filtered cigarette incorporating an adsorbent material

#82
20120037171
2012-02-16

Process for making a continuous structure of an encapsulated material

#83
20120028796
2012-02-02

NICOTINE ADSORBENT, QUINOLINE ADSORBENT, BENZOPYRENE ADSORBENT, TOLUIDINE ADSORBENT, AND CARCINOGEN ADSORBENT

#84
20110277781
2011-11-17

METHODS FOR IMPROVING QUALITY OF MAINSTREAM SMOKE AND MULTICOMPONENT FILTERS AND SMOKING ARTICLES THEREFOR

#85
20110162667
2011-07-07

Tobacco smoke filter for smoking device with porous mass of active particulate

#86
20110155154
2011-06-30

Smoking article with tobacco beads

#87
20110146697
2011-06-23

Method and apparatus for the plasma processing of filter material

#88
20110100384
2011-05-05

Thermally insulative smoking article filter components

#89
20110083686
2011-04-14

Method for manufacture of smoking article filter assembly including electrostatically charged fiber

#90
20110005534
2011-01-13

REDUCED RISK TOBACCO PRODUCTS AND USE THEREOF

#91
20100319717
2010-12-23

CIGARETTE MAINSTREAM SMOKE COMPONENT ADSORBENT AND CIGARETTE FILTER

#92
20100242977
2010-09-30

CIGARETTE FILTER AND FILTER-TIPPED CIGARETTE

#93
20100206317
2010-08-19

REDUCED RISK TOBACCO PRODUCTS AND USE THEREOF

#94
20100163064
2010-07-01

TEMPLATED CARBON MONOLITHIC TUBES WITH SHAPED MICRO-CHANNELS AND METHOD FOR MAKING THE SAME

#95
20100152040
2010-06-17

Carbon beads with multimodal pore size distribution

#96
20100125039
2010-05-20

Carbonaceous material having modified pore structure

#97
20100108085
2010-05-06

Smoking Article Filter

#98
20100043813
2010-02-25

High cohesive strength composite materials and, E.G., cigarette filters shaped therefrom

#99
20100037905
2010-02-18

FILTER OR FILTER ELEMENT FOR TOBACCO SMOKE CIGARETTE CONTAINING SUCH A FILTER OR FILTER ELEMENT AND METHOD FOR PRODUCING SUCH A FILTER OR FILTER ELEMENT

#100
20090288672
2009-11-26

Cigarette filter comprising a carbonaceous fiber

#101
20090288671
2009-11-26

Smoking article filter

#102
20090277465
2009-11-12

Flavor capsule for enhanced flavor delivery in cigarettes

#103
20090272391
2009-11-05

Adsorbents for smoking articles comprising a non-volatile organic compound applied using a supercritical fluid

#104
20090159091
2009-06-25

Activated carbon from microcrystalline cellulose

#105
20090056729
2009-03-05

SMOKING ARTICLE AND SMOKING ARTICLE FILTER

#106
20090044816
2009-02-19

Smoking article having carbon dioxide delivery technology for sensorially improved carbon filtration and method of smoking

#107
20090038632
2009-02-12

Porous carbon materials and smoking articles and smoke filters therefor incorporating such materials

#108
20090032037
2009-02-05

DEGRADABLE CIGARETTE FILTERS

#109
20080314400
2008-12-25

Filter including electrostatically charged fiber material

#110
20080295853
2008-12-04

Filtered Smoking Article

#111
20080245377
2008-10-09

Cigarette comprising dark air-cured tobacco

#112
20080236602
2008-10-02

METHOD OF MAKING A SMOKING COMPOSITION

#113
20080202539
2008-08-28

Fibre

#114
20080173320
2008-07-24

Filtered Smoking Articles

#115
20080149120
2008-06-26

Cigarette filter incorporating nanofibers

#116
20080142028
2008-06-19

Filtered cigarette

#117
20080053469
2008-03-06

Cigarette filter with beaded carbon

#118
20070295347
2007-12-27

Surface-modified porous substrates

#119
20070295346
2007-12-27

Tobacco Smoke Filter

#120
20070272261
2007-11-29

Process for making filter tow

#121
20070261706
2007-11-15

Cigarette with carbon on tow filter

#122
20070259124
2007-11-08

Method of making modified activated carbon

#123
20070258879
2007-11-08

Carbon beads with multimodal pore size distribution

#124
20070227548
2007-10-04

Filtered cigarette incorporating an adsorbent material

#125
20070186945
2007-08-16

Smoking article with improved delivery profile

#126
20070181141
2007-08-09

Specifically-defined smoking article with activated carbon sorbent and sodium bicarbonate-treated fibers and method of treating mainstream smoke

#127
20070113863
2007-05-24

Cigarette filter and cigarette provided with the same

#128
20070056600
2007-03-15

Filtered smoking article

#129
20070035055
2007-02-15

Formation of nano-or micro-scale phenolic fibers via electrospinning

#130
20070000508
2007-01-04

Templated carbon monolithic tubes with shaped micro-channels and method for making the same

#131
20070000507
2007-01-04

Templated carbon fibers and their application

#132
20070000505
2007-01-04

Smoking article with tobacco beads

#133
20060272662
2006-12-07

Cigarette and filter with cellulosic flavor addition

#134
20060260626
2006-11-23

Activated carbons with molecular sieve membranes and their use as adsorbents in smoking articles

#135
20060231113
2006-10-19

Thermally insulative smoking article filter components

#136
20060219253
2006-10-05

Relating to smoking article filters

#137
20060207620
2006-09-21

Smoking articles and filters with carbon fiber composite molecular sieve sorbent

#138
20060201524
2006-09-14

Cigarettes and cigarette filters including activated carbon for removing nitric oxide

#139
20060180164
2006-08-17

Cigarette filter with beaded carbon

#140
20060174901
2006-08-10

Flavor capsule for enhanced flavor delivery in cigarettes

#141
20060174899
2006-08-10

Composite materials and their use in smoking articles

#142
20060151382
2006-07-13

Contact devices with nanostructured materials

#143
20060144410
2006-07-06

Surface-modified activated carbon in smoking articles

#144
20060130861
2006-06-22

Flavor carrier for use in smoking articles

#145
20060130856
2006-06-22

Tobacco smoke filter

#146
20060124145
2006-06-15

Filter element

#147
20060112964
2006-06-01

Capsuled adsorbent flavored filter

#148
20060086366
2006-04-27

Surface modified adsorbents and use thereof

#149
20060037621
2006-02-23

Method of making a smoking composition

#150
20050139223
2005-06-30

Cigarette filter incorporating nanofibers

#151
20050133051
2005-06-23

Composite materials and their use in smoking articles

#152
20050133047
2005-06-23

Smoking articles and filters with carbon-coated molecular sieve sorbent

#153
20050076928
2005-04-14

Cigarette filter

#154
20050066984
2005-03-31

Filtered cigarette incorporating an adsorbent material

#155
20050066983
2005-03-31

Filtered cigarette incorporating an adsorbent material

#156
20050066982
2005-03-31

Filtered cigarette incorporating an adsorbent material

#157
20050066981
2005-03-31

Filtered cigarette incorporating an adsorbent material

#158
20050066980
2005-03-31

Filtered cigarette incorporating an adsorbent material

#159
20050000532
2005-01-06

Method of making a smoking composition

#160
20050000531
2005-01-06

Method and composition for mentholation of charcoal filtered cigarettes

#161
14606359
2017-10-31

Cigarette smoke-filtering device