ClassID:

5554

A24D3/045 - 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; Tobacco smoke filters characterised by their shape or structure with smoke acceleration means, e.g. impact-filters

Recent Application in this class:
#1
20230225393
2023-07-20

ADDITIONAL FILTER DEVICE FOR CIGARETTES WITH FIBER FILTER

#2
20220312832
2022-10-06

AEROSOL-GENERATING ARTICLE COMPRISING AN AEROSOL-COOLING ELEMENT WITH PERIPHERAL OPENINGS

#3
20190380382
2019-12-19

METHODS AND SYSTEMS FOR MANAGING VAPOR DISTRIBUTION

#4
20190380381
2019-12-19

Methods and Systems for Managing Vapor Distribution

#5
20190174818
2019-06-13

Multi-stage filtration device

#6
20180000152
2018-01-04

Filter for cigarette product and cigarette product

#7
20170360085
2017-12-21

Filter components, filters, smoking articles, and related methods, all for the controlled delivery of aerosols

#8
20160302477
2016-10-20

Smoking article including flow restrictor in hollow tube

#9
20150359260
2015-12-17

Method and apparatus for manufacturing filters for smoking articles

#10
20150296877
2015-10-22

Impermeable bead in hollow cigarette filter tube

#11
20150289561
2015-10-15

Smoking article including flow restrictor

#12
20150059788
2015-03-05

Filter components, filters, smoking articles, and related methods, all for the controlled delivery of aerosols

#13
20140224264
2014-08-14

Cigarette mouthpiece with filter having multiple mini filter holes

#14
20120048286
2012-03-01

Smoking articles with significantly reduced gas vapor phase smoking constituents

#15
20110186063
2011-08-04

Filter For A Smoking Article

#16
20110100388
2011-05-05

Smoking article with a restrictor

#17
20110083687
2011-04-14

CIGARETTE FILTER TO REDUCE SMOKE DELIVERIES IN LATER PUFFS

#18
20110083675
2011-04-14

Smoking article with valved restrictor

#19
20100288293
2010-11-18

SMOKING ARTICLE WITH IMPROVED FLOW RESTRICTION ELEMENT

#20
20100147317
2010-06-17

Tobacco Smoke Filter and Methods of Making the Same

#21
20090314303
2009-12-24

Smoking Articles And Filter Therefor

#22
20090050168
2009-02-26

Cigarette filter

#23
20080216851
2008-09-11

Smoking articles with restrictor and aerosol former

#24
20080216848
2008-09-11

Smoking article filter with annular restrictor and downstream ventilation

#25
20080047571
2008-02-28

Smoking article with plate impactor

#26
20080017204
2008-01-24

Smoking article with impaction filter segment

#27
20070235050
2007-10-11

Smoking article with a restrictor