Class A24D : CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
Subclass 3/16: 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 inorganic materials
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12252403 | Filtering material and filter for retaining polyaromatic hydrocarbons, carbonyls and other compounds from smoke from tobacco products | Mar 03, 20 | Mar 18, 25 | COMPANIA INDUSTRIAL DE TABACOS MONTE PAZ S.A.; Facultad De Medicina, Universidad De La Republica; |
| 12225929 | Elongated smoking article | Jan 29, 20 | Feb 18, 25 | Imperial Tobacco Ventures Limited |
| 12150475 | Smoking apparatus and method | Sep 24, 19 | Nov 26, 24 | Not available |
| 12137729 | Smoking filter | Jun 07, 21 | Nov 12, 24 | Snap Wrap, LLC |
| 12137730 | Cooling cigarette filter and smoking product | Feb 20, 19 | Nov 12, 24 | China Tobacco Hunan Industrial Co., Ltd. |
| 12102136 | Universal filtering mouthpiece for smoking devices | Jul 08, 20 | Oct 01, 24 | Not available |
| 12048325 | Smoking article | Mar 04, 19 | Jul 30, 24 | R.J. Reynolds Tobacco Company |
| 11957164 | Nozzle for manufacturing flavor capsule of tobacco | May 22, 20 | Apr 16, 24 | KT&G Corporation |
| 11814507 | Cellulose acetate tow with high dpf and low titanium dioxide content | Apr 22, 20 | Nov 14, 23 | ACETATE INTERNATIONAL LLC |
| 11730189 | Cigarette filter containing alginite | Apr 26, 21 | Aug 22, 23 | OPTIFILTER RESEARCH ZRT. |
| 11717025 | Smoke filter apparatus | Apr 22, 21 | Aug 08, 23 | Squid Roach, Inc. |
| 11707084 | Activated carbon beads for smoking articles | Jul 14, 16 | Jul 25, 23 | Philip Morris Products S.A. |
| 11700877 | Menthol cigarette | Mar 06, 20 | Jul 18, 23 | Philip Morris USA Inc. |
| 11690398 | Filter unit for a smoking article | Sep 28, 18 | Jul 04, 23 | British American Tobacco (Investments) Limited |
| 11678697 | Tobacco smoke filter | Jul 31, 13 | Jun 20, 23 | ESSENTRA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTD. |
| 11641875 | Smoking apparatus filtration device and related technologies | Jul 15, 20 | May 09, 23 | ACEROLA HOLDINGS LLC |
| 11632982 | Paper for smoking article and smoking article | Sep 30, 19 | Apr 25, 23 | Japan Tobacco Inc. |
| 11576428 | Smoking article filter and method of manufacturing the same | Dec 11, 19 | Feb 14, 23 | Japan Tobacco Inc. |
| 11510434 | Smoking article with concentric filter | May 29, 13 | Nov 29, 22 | Philip Morris Products S.A. |
| 11484059 | Vaporizer filter | Jul 30, 19 | Nov 01, 22 | Healthier Choices Management Corp. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0072,483 | PAPER TUBE FOR SMOKING ARTICLES WITH FLAVORED SHEET, AND SMOKING ARTICLE | Nov 17, 22 | Mar 06, 25 | KT&G Corporation |
| 2025/0040,592 | ECO-FRIENDLY FILTER WITH BIODEGRADABILITY | Jun 07, 23 | Feb 06, 25 | KT&G Corporation; Kolon Industries Inc.; |
| 2025/0000,134 | PAPER TUBE | Oct 21, 22 | Jan 02, 25 | Not available |
| 2024/0407,431 | SHEET FOR FLAVOR INHALATION ARTICLE | Aug 21, 24 | Dec 12, 24 | Japan Tobacco Inc. |
| 2024/0365,854 | COOLING FILTER AND SMOKING ARTICLE INCLUDING THE SAME | Dec 09, 22 | Nov 07, 24 | KT&G Corporation |
| 2024/0358,067 | METHOD AND APPARATUS FOR PRE-ROLL PAPERS OR WRAP WITH TIPS | Jul 04, 24 | Oct 31, 24 | Not available |
| 2024/0349,782 | FILTER MATERIAL FOR SMOKING ARTICLES HAVING IMPROVED EXPANSION BEHAVIOUR | Mar 21, 22 | Oct 24, 24 | Not available |
| 2024/0324,659 | Filtering Apparatus For A Cigarette | Mar 27, 23 | Oct 03, 24 | Not available |
| 2024/0324,663 | NON-COMBUSTION-HEATING-TYPE STICK | Jun 14, 24 | Oct 03, 24 | Japan Tobacco Inc. |
| 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 |
| 2024/0245,102 | AEROSOL-GENERATING DEVICE AND MEDIUM RECEIVING ROD | Oct 27, 22 | Jul 25, 24 | KT&G Corporation |
| 2024/0245,106 | FILTER FOR CIGARETTES AND CIGARETTE INCLUDING THE SAME | Oct 18, 22 | Jul 25, 24 | KT&G Corporation |
| 2024/0196,964 | FILTER, AN AEROSOL-GENERATING ARTICLE COMPRISING THE SAME, AND A METHOD OF MANUFACTURING THE FILTER | Apr 21, 22 | Jun 20, 24 | KT&G Corporation |
| 2024/0188,631 | HARM-REDUCING CIGARETTE FILTER, PREPARATION METHOND AND APPLICATION THEREOF | Aug 16, 23 | Jun 13, 24 | Not available |
| 2024/0138,468 | SMOKING ARTICLE USING A CONTINUOUS STRUCTURE OF AN ENCAPSULATED MATERIAL | Jan 10, 24 | May 02, 24 | Philip Morris USA Inc. |
| 2023/0172,262 | FILTER FOR THE SORPTION OF COMPONENTS OF TOBACCO SMOKE WHICH ARE HARMFUL TO HEALTH | Apr 26, 21 | Jun 08, 23 | Not available |
| 2022/0400,743 | TOBACCO SMOKE FILTER | Nov 27, 20 | Dec 22, 22 | Not available |
| 2021/0321,667 | FILTER FOR SMOKING ARTICLE | Jun 30, 21 | Oct 21, 21 | Japan Tobacco Inc. |
| 2021/0227,880 | SMOKING PRODUCT, METHOD FOR PRODUCING SAID SMOKING PRODUCT, AND METHOD FOR DISTINGUISHING GRANULAR ACTIVATED CARBON | Apr 15, 21 | Jul 29, 21 | Japan Tobacco Inc. |
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