Class A24D : CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
Subclass 3/08: 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 carrier or major constituent (of ion exchange materials A24D 3/12)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12171259 | Combustible smoking filter | Jul 16, 21 | Dec 24, 24 | Not available |
| 12133550 | Molding apparatus, cigarette filter rod and preparation method thereof | Dec 14, 18 | Nov 05, 24 | China Tobacco Hunan Industrial Co., Ltd. |
| 12108788 | Smoking accessory with filter and filter having a flavor capsule | May 05, 23 | Oct 08, 24 | Good Tree International, Inc. |
| 12102116 | Hollow leaf tube with flavor capsule | Oct 02, 23 | Oct 01, 24 | Good Tree International, Inc. |
| 12022857 | Hollow conical member with flavor capsule | May 05, 23 | Jul 02, 24 | Good Tree International, Inc. |
| 12016374 | Hollow leaf tube with flavor capsule | Apr 22, 22 | Jun 25, 24 | Good Tree International, Inc. |
| 11969008 | Filters and elongated members formed of palm paper and having a flavor capsule | Mar 24, 21 | Apr 30, 24 | Good Tree International, Inc. |
| 11969011 | Cigarette and aerosol generation device for cigarette | Nov 13, 19 | Apr 30, 24 | KT&G Corporation |
| 11957163 | Multi-segment filter element including smoke-altering flavorant | Jan 15, 20 | Apr 16, 24 | R.J. Reynolds Tobacco Company |
| 11910821 | Filters and elongated members formed of palm paper and having a flavor capsule | Apr 18, 23 | Feb 27, 24 | Good Tree International, Inc. |
| 11911948 | Starch-based multi-channel airflow unit and preparation method and application thereof | Jul 12, 19 | Feb 27, 24 | CHINA TOBACCO GUANGDONG INDUSTRIAL CO., LTD. |
| 11785981 | Hollow leaf tube with flavor capsule | Feb 27, 23 | Oct 17, 23 | Good Tree International, Inc. |
| 11744281 | Hollow conical member with flavor capsule | Mar 24, 21 | Sep 05, 23 | Good Tree International, Inc. |
| 11700879 | Smoking accessory with filter and filter having a flavor capsule | Feb 26, 21 | Jul 18, 23 | Good Tree International, Inc. |
| 11406128 | Filter element for tobacco products, the filter element having a capsule containing a liquid medium comprising at least one surfactant as core material | Jul 17, 18 | Aug 09, 22 | Reemtsma Cigarettenfabriken GmbH |
| 11311044 | Hollow leaf tube with flavor capsule | Jan 17, 20 | Apr 26, 22 | Good Tree International, Inc. |
| 11272734 | Smoking article mouthpiece configured to receive an insert unit | Mar 29, 18 | Mar 15, 22 | Philip Morris Products SA |
| 11266177 | Natural wax cigarette filter | Aug 13, 19 | Mar 08, 22 | Not available |
| 10897928 | Shaped elements for smoking devices | Jun 29, 16 | Jan 26, 21 | ESSENTRA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTD. |
| 10736351 | Smoking article with filter and filter of smoking article | Nov 13, 17 | Aug 11, 20 | Japan Tobacco Inc. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0407,431 | SHEET FOR FLAVOR INHALATION ARTICLE | Aug 21, 24 | Dec 12, 24 | Japan Tobacco Inc. |
| 2024/0397,998 | SMOKING PRODUCT FILTER AND SMOKING PRODUCT COMPRISING SAME | Jun 01, 23 | Dec 05, 24 | KT&G Corporation |
| 2024/0324,659 | Filtering Apparatus For A Cigarette | Mar 27, 23 | Oct 03, 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 |
| 2024/0260,642 | GEL RECEPTOR ROD INSERTABLE INTO ELECTRICALLY HEATED SMOKING ARTICLE, ELECTRICALLY HEATED SMOKING ARTICLE INCLUDING THE SAME, AND AEROSOL GENERATING DEVICE THEREFOR | Feb 02, 23 | Aug 08, 24 | Not available |
| 2024/0245,107 | MULTI-SEGMENT FILTER ELEMENT INCLUDING SMOKE-ALTERING FLAVORANT | Mar 15, 24 | Jul 25, 24 | Not available |
| 2024/0206,543 | CIGARETTE AND AEROSOL GENERATION DEVICE FOR CIGARETTE | Mar 08, 24 | Jun 27, 24 | KT&G Corporation |
| 2024/0099,363 | Filter for Cigarettes Made with Biological Material | Oct 17, 20 | Mar 28, 24 | Not available |
| 2023/0148,658 | Filter For Smoking or Vaping Article Comprising a Two-Layer Material | Nov 16, 22 | May 18, 23 | Not available |
| 2023/0000,140 | AEROSOL-GENERATING ARTICLE FILTER HAVING NOVEL FILTRATION MATERIAL | Nov 30, 20 | Jan 05, 23 | Philip Morris Products SA |
| 2023/0000,141 | AEROSOL-GENERATING ARTICLE FILTER HAVING NOVEL FILTRATION MATERIAL | Nov 30, 20 | Jan 05, 23 | Philip Morris Products SA |
| 2022/0132,913 | A SMOKING ARTICLE COMPRISING A TUBE FILTER AND A METHOD OF MANUFACTURING THE SAME | Nov 27, 20 | May 05, 22 | KT&G Corporation |
| 2020/0154,761 | FILTER WITH IMPROVED HARDNESS AND FILTRATION EFFICIENCY | Jan 07, 20 | May 21, 20 | Not available |
| 2015/0090,282 | SMOKING ARTICLE FILTERS | May 02, 13 | Apr 02, 15 | BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED |
| 2015/0001,148 | Filter Media | Jun 26, 14 | Jan 01, 15 | JPMORGAN CHASE BANK, N.A. |
| 2012/0255,569 | FILTERED CIGARETTE COMPRISING A TUBULAR ELEMENT IN FILTER | Apr 08, 11 | Oct 11, 12 | R.J. REYNOLDS TOBACCO COMPANY |
| 2011/0023,900 | TOBACCO SMOKE FILTER | Jan 23, 09 | Feb 03, 11 | FILTRONA INTERNATIONAL LIMITED |
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