ClassID:

5559

A24D3/062 - 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 characterised by structural features

Sub-classes:
Recent Application in this class:
#1
20260130415
2026-05-14

Pleated Filter Material for Smoking Articles

#2
20260047598
2026-02-19

VAPOR-GENERATING ARTICLE CONTAINING CELLULOSE ESTER FILM

#3
20250325021
2025-10-23

SMOKE FILTER FOR CIGARETTES AND OTHER SMOKING IMPLEMENTS

#4
20250302087
2025-10-02

AEROSOL-GENERATING ARTICLE AND AEROSOL-GENERATING SYSTEM

#5
20250176621
2025-06-05

Disposable Multi-stage Cigarette Holder Filter Apparatus

#6
20250107564
2025-04-03

A COMPONENT FOR A DELIVERY SYSTEM AND A METHOD AND APPARATUS FOR MANUFACTURING A COMPONENT FOR A DELIVERY SYSTEM

#7
20250009014
2025-01-09

ACTIVE PAPER

#8
20240415170
2024-12-19

NOVEL FILTER SEGMENT INCLUDING A SUBSTRATE LOADED WITH A SMOKE-MODIFYING AGENT

#9
20240365854
2024-11-07

COOLING FILTER AND SMOKING ARTICLE INCLUDING THE SAME

#10
20240324660
2024-10-03

FILLER ELEMENT, FILLER ELEMENT MANUFACTURING METHOD, AND FILLER ELEMENT MANUFACTURING DEVICE

#11
20240324659
2024-10-03

Filtering Apparatus For A Cigarette

#12
20240284969
2024-08-29

SMOKING TIP

#13
20240245106
2024-07-25

FILTER FOR CIGARETTES AND CIGARETTE INCLUDING THE SAME

#14
20240196964
2024-06-20

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

#15
20240188631
2024-06-13

HARM-REDUCING CIGARETTE FILTER, PREPARATION METHOND AND APPLICATION THEREOF

#16
20240138468
2024-05-02

SMOKING ARTICLE USING A CONTINUOUS STRUCTURE OF AN ENCAPSULATED MATERIAL

#17
20240114951
2024-04-11

STRUCTURED FILTER MATERIAL FOR NICOTINE DELIVERY PRODUCTS

#18
20230404142
2023-12-21

Smoking Article and Method for Manufacturing a Smoking Article

#19
20230292823
2023-09-21

A COMPONENT FOR A DELIVERY SYSTEM AND A METHOD AND APPARATUS FOR MANUFACTURING A COMPONENT FOR A DELIVERY SYSTEM

#20
20230292818
2023-09-21

TOBACCO ROD, AEROSOL-GENERATING ARTICLE INCLUDING THE SAME, AND AEROSOL GENERATION DEVICE USED THEREWITH

#21
20230284678
2023-09-14

Pleated Filter Material for Smoking Articles

#22
20230148658
2023-05-18

Filter For Smoking or Vaping Article Comprising a Two-Layer Material

#23
20230118486
2023-04-20

AEROSOL GENERATING ARTICLE, THREAD FILTER, AND COOLING ARTICLE INCLUDING THREAD FILTER

#24
20230099865
2023-03-30

CIGARETTE AND AEROSOL GENERATING APPARATUS THEREFOR

#25
20220354162
2022-11-10

METHOD OF FORMING FILTER WITH INTERSTICES FOR E-VAPING DEVICE

#26
20220346438
2022-11-03

MULTI-PURPOSE INTERNAL COMPONENT FOR AEROSOL-GENERATING PRODUCT, AND AEROSOL-GENERATING PRODUCT HAVING SAME

#27
20220183352
2022-06-16

Hookah downstem filter assembly

#28
20220160025
2022-05-26

Combustible smoking filter

#29
20220053822
2022-02-24

AEROSOL GENERATING PRODUCT

#30
20220046983
2022-02-17

SMOKING ARTICLE INCLUDING A FLAVOUR DELIVERY MEMBER

#31
20220030939
2022-02-03

Aerosol-generating article with narrow hollow tubular filter

#32
20220030937
2022-02-03

CATALYST INTRODUCTION METHODS FOR ACCELERATED DEACETYLATION OF CELLULOSE ESTERS

#33
20210378292
2021-12-09

SMOKING FILTRATION DEVICES, METHODS, AND SYSTEMS

#34
20210378291
2021-12-09

Smoking filter

#35
20210321667
2021-10-21

FILTER FOR SMOKING ARTICLE

#36
20210227879
2021-07-29

METHOD FOR EXTRACTING PARTICULATE MATTER FROM SMOKE OF HEATED SMOKING ARTICLE, EXTRACTION CONTAINER, EXTRACT LIQUID AND TOXICITY TEST METHOD USING EXTRACT LIQUID

#37
20210161203
2021-06-03

STARCH-BASED COOLING MATERIAL AND APPLICATION THEREOF

#38
20210161202
2021-06-03

Filter segment including a substrate loaded with a smoke-modifying agent

#39
20210030058
2021-02-04

Vaporizer filter

#40
20200329759
2020-10-22

FIRM FILTER FOR AEROSOL-GENERATING ARTICLE

#41
20200281257
2020-09-10

Nozzle for manufacturing flavor capsule of tobacco

#42
20200253270
2020-08-13

A Smoking Article or an Aerosol Generating Product

#43
20200229490
2020-07-23

Filtered smoking article

#44
20200154760
2020-05-21

Smoking filtration devices, methods, and systems

#45
20200146342
2020-05-14

Filter element for tobacco products, the filter element having a capsule containing a liquid medium comprising at least one surfactant as core material

#46
20200077696
2020-03-12

Filter for an e-vaping device, e-vaping device with the filter, and method of forming the filter

#47
20200037659
2020-02-06

Filters For Smoking Articles For Less Additive(s) Loss

#48
20200000141
2020-01-02

Smoking article including a flavour delivery member

#49
20190373948
2019-12-12

Heat-not-burn cigarettes

#50
20190357591
2019-11-28

METHOD OF MANUFACTURING A TOW BAND

#51
20190343173
2019-11-14

Smoking article with combined ventilation and filtration efficiency adjustment

#52
20190307163
2019-10-10

Cigarette filter object insertion apparatus and associated method

#53
20190191759
2019-06-27

Filter segment including a substrate loaded with a smoke-modifying agent

#54
20180289055
2018-10-11

Magnetic Cigarette Filters And Related Methods

#55
20180272260
2018-09-27

ULTRA-LOW PRESSURE DROP FLUID FILTERS AND RELATED METHODS

#56
20180092398
2018-04-05

Method and apparatus for manufacturing flavor capsule of tobacco

#57
20170360087
2017-12-21

Hydrophobic filter

#58
20170325497
2017-11-16

Aerosol-generating article comprising a transparent tube

#59
20170265519
2017-09-21

Method of manufacturing a tow band

#60
20170208855
2017-07-27

Supported catalyst particles for oxidizing carbon monoxide

#61
20170042222
2017-02-16

Smoking article filters

#62
20160302479
2016-10-20

METHOD OF MAKING MODIFIED ACTIVATED CARBON

#63
20160286855
2016-10-06

Adsorbent materials

#64
20160219930
2016-08-04

TOBACCO SMOKE FILTER

#65
20160128380
2016-05-12

Amphiphile-modified sorbents in smoking articles and filters

#66
20160073686
2016-03-17

TOBACCO-DERIVED FILTER ELEMENT

#67
20160037824
2016-02-11

Smoking article including a flavour delivery member

#68
20160023161
2016-01-28

Method for oxidizing carbon monoxide

#69
20150313277
2015-11-05

PROCESS FOR MAKING A CONTINUOUS STRUCTURE OF AN ENCAPSULATED MATERIAL

#70
20150181929
2015-07-02

Tobacco smoke filter

#71
20150107613
2015-04-23

Smoking article filters

#72
20140224268
2014-08-14

SMOKING ARTICLE FILTER INCLUDING POLYMERIC INSERT

#73
20140137881
2014-05-22

Filter for a smoking article

#74
20130298923
2013-11-14

Apparatuses, systems, and associated methods for forming porous masses for smoke filter

#75
20130221563
2013-08-29

Apparatuses, systems, and associated methods for forming porous masses for smoke filter

#76
20130221562
2013-08-29

Apparatuses, systems, and associated methods for forming porous masses for smoke filter

#77
20130214447
2013-08-22

Apparatuses, systems, and associated methods for forming porous masses for smoke filter

#78
20130032158
2013-02-07

Apparatuses, Systems, and Associated Methods for Forming Porous Masses for Smoke Filters

#79
20120118302
2012-05-17

Method for making a cigarette

#80
20120103352
2012-05-03

Cigarette filter, process for producing the same, and cigarette

#81
20120037171
2012-02-16

Process for making a continuous structure of an encapsulated material

#82
20110162667
2011-07-07

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

#83
20110120481
2011-05-26

Filter segment including a substrate loaded with a smoke-modifying agent

#84
20110017223
2011-01-27

Amphiphile-modified sorbents in smoking articles and filters

#85
20070259124
2007-11-08

Method of making modified activated carbon

#86
20070163612
2007-07-19

Supports catalyst for the combustion of carbon monoxide formed during smoking

#87
20050133048
2005-06-23

Amphiphile-modified sorbents in smoking articles and filters

#88
18492098
2025-07-29

Method and apparatus for supporting breakable capsule in a conical smoking apparatus

#89
17993273
2023-10-24

Method and apparatus for supporting breakable capsule in a conical smoking apparatus