Patents-Review.com
ClassID:

5536 ⎘

A24D3/0237 - 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; Manufacture of tobacco smoke filters; Filter rod forming processes by extrusion

Recent Application in this class:
#1
20260150891
2026-06-04

AEROSOL GENERATING ARTICLES

 #2
20250120430
2025-04-17

CIGARETTE FILTER ROD MANUFACTURING PROCESS

 #3
20250098734
2025-03-27

BEAD FEED UNIT AND METHOD

 #4
20240081391
2024-03-14

AEROSOL GENERATING ARTICLES

 #5
20240049777
2024-02-15

BIODEGRADABLE CIGARETTE FILTER

 #6
20230415431
2023-12-28

Die, die assembly, equipment and method for forming rods of fibrous material

 #7
20230404141
2023-12-21

Bead feed unit and method

 #8
20230084995
2023-03-16

METHOD FOR MAKING A FILTER ELEMENT OR MOUTHPIECE

 #9
20220022528
2022-01-27

Molding apparatus, cigarette filter rod and preparation method thereof

 #10
20210323210
2021-10-21

Starch-based multi-channel airflow unit and preparation method and application thereof

 #11
20210282452
2021-09-16

Apparatus and method for forming filter rods

 #12
20210259304
2021-08-26

Bead feed unit and method

 #13
20210106047
2021-04-15

Methods and equipment for forming tubes of fibrous material

 #14
20210000188
2021-01-07

Aerosol generating articles

 #15
20210000167
2021-01-07

AEROSOL GENERATING ARTICLES

 #16
20200316880
2020-10-08

Methods and equipment for forming tubes of fibrous material

 #17
20200108570
2020-04-09

Die, die assembly, equipment and method for forming rods of fibrous material

 #18
20180338525
2018-11-29

Biodegradable cigarette filter

 #19
20170006912
2017-01-12

CELLULOSE ACETATE TOW BAND FOR USE IN CIGARETTE FILTER, CIGARETTE FILTER, APPARATUS FOR MANUFACTURING TOW BAND, AND METHOD OF MANUFACTURING TOW BAND

 #20
20160316815
2016-11-03

Activated carbon for smoking articles

 #21
20160095350
2016-04-07

Biopolymer foams as filters for smoking articles

 #22
20150272208
2015-10-01

Biodegradable cigarette filter

 #23
20150040931
2015-02-12

Tobacco smoke filter

 #24
20140243178
2014-08-28

Apparatus, method and machine for producing an endless filter rod of the tobacco processing industry

 #25
20130298923
2013-11-14

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

 #26
20130221563
2013-08-29

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

 #27
20130221562
2013-08-29

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

 #28
20130214447
2013-08-22

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

 #29
20130032158
2013-02-07

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

 #30
20120024306
2012-02-02

Biopolymer foams as filters for smoking articles

 #31
20120000480
2012-01-05

BIODEGRADABLE CIGARETTE FILTER

 #32
20050049128
2005-03-03

Method and device for producing a filter rod