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 |
|---|---|---|---|---|
| 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. |
| 10617144 | Molecularly imprinted polymers for treating tobacco material and filtering smoke from smoking articles | Oct 27, 15 | Apr 14, 20 | R.J. Reynolds Tobacco Company |
| 10609953 | Smoking article component | Nov 30, 10 | Apr 07, 20 | British American Tobacco (Investments) Limited |
| 10609955 | Filtered cigarette comprising a tubular element in filter | Apr 08, 11 | Apr 07, 20 | R.J. Reynolds Tobacco Company |
| 10555553 | Filter with improved hardness and filtration efficiency | Dec 23, 14 | Feb 11, 20 | Philip Morris Products SA |
| 10376657 | Medicinal vapor filtration system | Aug 15, 16 | Aug 13, 19 | Not available |
| 10292421 | Smoking article filter including degradable filter component | Dec 22, 14 | May 21, 19 | Philip Morris Products SA |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0099,363 | Filter for Cigarettes Made with Biological Material | Oct 17, 20 | Mar 28, 24 | Not available |
| 2024/0032,585 | HOLLOW LEAF TUBE WITH FLAVOR CAPSULE | Oct 02, 23 | Feb 01, 24 | Good Tree International, Inc. |
| 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 |
| 2022/0160,025 | Combustible Smoking Filter | Jul 16, 21 | May 26, 22 | Not available |
| 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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