Class A24D : CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
Subclass 3/14: Tobacco smoke filters, e.g. filter-tips, filtering inserts (filters in general B01D); Mouthpieces for cigars or cigarettes (for pipes, for cigar or cigarette holders A24F 7/00) Use of materials for tobacco smoke filters of organic materials as additive (of ion exchange materials A24D 3/12)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12262735 | Degradable cellulose ester | Jan 09, 23 | Apr 01, 25 | ACETATE INTERNATIONAL LLC |
| 12201142 | Filter for smoking or vaping article comprising a nonwoven substrate | Sep 10, 21 | Jan 21, 25 | SWM Holdings US, LLC |
| 12201143 | Flavor delivery article | Apr 04, 23 | Jan 21, 25 | R. J. Reynolds Tobacco Company |
| 12171259 | Combustible smoking filter | Jul 16, 21 | Dec 24, 24 | Not available |
| 12150474 | Cooling cigarette filter and cigarette | Oct 24, 18 | Nov 26, 24 | China Tobacco Hunan Industrial Co., Ltd. |
| 12137730 | Cooling cigarette filter and smoking product | Feb 20, 19 | Nov 12, 24 | China Tobacco Hunan Industrial Co., Ltd. |
| 12075821 | Filter segment including a substrate loaded with a smoke-modifying agent | Feb 15, 21 | Sep 03, 24 | Philip Morris USA Inc. |
| 12059026 | Smoking article filter and smoking article including the same | Mar 08, 21 | Aug 13, 24 | KT&G Corporation |
| 12029239 | Gel composition and tobacco industry products including the same | Feb 28, 19 | Jul 09, 24 | British American Tobacco (Investments) Limited |
| 12004553 | Method for extracting tar aroma components from within cigarette butts and application thereof in cigarettes | Nov 16, 20 | Jun 11, 24 | INNER MONGOLIA KUNMING CIGARETTE CO., LTD. |
| 11992040 | Tube filter production device and tube filter production method | Aug 27, 20 | May 28, 24 | KT&G Corporation |
| 11992041 | Aerosol-generating article having fibrous filter segment and hollow, tubular support element located immediately downstream the aerosol-forming substrate | Jun 08, 18 | May 28, 24 | Philip Morris Products SA |
| 11905393 | Cellulose acetate composition and molded article | Jul 18, 19 | Feb 20, 24 | Daicel Corporation Industries Ltd. |
| 11849756 | Hydrophobic capsule | Jul 06, 21 | Dec 26, 23 | Philip Morris Products SA |
| 11832644 | Processes for producing filter elements suitable for use in smoking articles | Jun 29, 22 | Dec 05, 23 | BIO-ON S.p.A. |
| 11737490 | Smoking article mouthpiece | Dec 20, 18 | Aug 29, 23 | ESSENTRA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTD. |
| 11730189 | Cigarette filter containing alginite | Apr 26, 21 | Aug 22, 23 | OPTIFILTER RESEARCH ZRT. |
| 11723401 | Degradable cellulose ester | Feb 10, 21 | Aug 15, 23 | ACETATE INTERNATIONAL LLC |
| 11717018 | Smoking article comprising aerogel | Feb 24, 16 | Aug 08, 23 | R.J. Reynolds Tobacco Company |
| 11700877 | Menthol cigarette | Mar 06, 20 | Jul 18, 23 | Philip Morris USA Inc. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0113,859 | FILTER TO WHICH BINDER WITH IMPROVED FUNCTIONALITY IS APPLIED AND SMOKING ARTICLE INCLUDING THE SAME | Feb 03, 23 | Apr 10, 25 | KT&G Corporation; Kolon Industries Inc.; |
| 2025/0098,736 | NOVEL CIGARETTE FILTER CONTAINING MOISTURIZER | Jan 17, 23 | Mar 27, 25 | KT&G Corporation; Kolon Industries Inc.; |
| 2025/0072,483 | PAPER TUBE FOR SMOKING ARTICLES WITH FLAVORED SHEET, AND SMOKING ARTICLE | Nov 17, 22 | Mar 06, 25 | KT&G Corporation |
| 2025/0057,214 | LYOCELL MATERIAL, SMOKING ARTICLE FILTER, SMOKING ARTICLE, AND METHOD FOR MANUFACTURING SAME | Dec 26, 22 | Feb 20, 25 | Not available |
| 2025/0040,592 | ECO-FRIENDLY FILTER WITH BIODEGRADABILITY | Jun 07, 23 | Feb 06, 25 | KT&G Corporation; Kolon Industries Inc.; |
| 2025/0040,593 | FILTER ELEMENT FOR MOUTHPIECES FOR USE WITH SMOKING PRODUCTS OR HNB PRODUCTS | Sep 21, 22 | Feb 06, 25 | Not available |
| 2025/0040,594 | CIGARETTE FILTER INCLUDING LYOCELL TOW AND PRODUCTION METHOD THEREOF | Feb 03, 23 | Feb 06, 25 | KT&G Corporation; Kolon Industries Inc.; |
| 2025/0009,015 | AEROSOL-GENERATING ARTICLE COMPRISING A CAVITY WITH GERMINABLE PLANT SEEDS | Nov 04, 22 | Jan 09, 25 | Philip Morris Products SA |
| 2025/0000,136 | CIGARETTE FILTER INCLUDING LYOCELL TOW AND PRODUCTION METHOD THEREOF | Nov 03, 22 | Jan 02, 25 | KT&G Corporation; Kolon Industries Inc.; |
| 2024/0415,170 | NOVEL FILTER SEGMENT INCLUDING A SUBSTRATE LOADED WITH A SMOKE-MODIFYING AGENT | Aug 29, 24 | Dec 19, 24 | Philip Morris USA Inc. |
| 2024/0407,429 | Airflow and Structural Integrity of Flavor-Infused Cigarette Paper Cone with Encased Flavor Bead | Nov 09, 23 | Dec 12, 24 | Smash Holdings LLC |
| 2024/0407,430 | CIGARETTE FILTER INCLUDING LYOCELL TOW | Nov 03, 22 | Dec 12, 24 | KT&G Corporation; Kolon Industries Inc.; |
| 2024/0381,928 | PAPER TUBE INCLUDING FLAVORED SHEET AND SMOKING ARTICLE INCLUDING THE SAME | Nov 17, 22 | Nov 21, 24 | KT&G Corporation |
| 2024/0365,854 | COOLING FILTER AND SMOKING ARTICLE INCLUDING THE SAME | Dec 09, 22 | Nov 07, 24 | KT&G Corporation |
| 2024/0349,782 | FILTER MATERIAL FOR SMOKING ARTICLES HAVING IMPROVED EXPANSION BEHAVIOUR | Mar 21, 22 | Oct 24, 24 | Not available |
| 2024/0315,320 | A COMPONENT FOR AN ARTICLE FOR USE IN AN AEROSOL PROVISION SYSTEM | Jun 24, 22 | Sep 26, 24 | Not available |
| 2024/0315,323 | Reduction of amines and nitrosamines in cigarette smoke vapors through a filter functionalized with olive tree polyphenols | Mar 23, 23 | Sep 26, 24 | MAGI’S LAB SRL |
| 2024/0284,967 | METHOD OF PREPARING FILTER FOR CIGARETTES | Oct 18, 22 | Aug 29, 24 | KT&G Corporation |
| 2024/0284,968 | LYOCELL MATERIAL WITH CONTROLLED WHITENESS BY HYDROGEN PEROXIDE TREATMENT AND MANUFACTURING METHOD THEREOF | Sep 21, 22 | Aug 29, 24 | Not available |
| 2024/0268,453 | FILTER MATERIAL FOR SEGMENTS FOR SMOKING ARTICLES WITH REDUCED CREEP TENDENCY | Mar 21, 22 | Aug 15, 24 | Not available |
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
