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 |
|---|---|---|---|---|
| 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. |
| 11425928 | Smoking article and mouthpiece therefor | May 21, 20 | Aug 30, 22 | British American Tobacco (Investments) Limited |
| 11350662 | Hookah downstem filter assembly | Nov 04, 21 | Jun 07, 22 | KALOUD, INC. |
| 11259563 | Cigarettes and cigarette filters including activated carbon for removing nitric oxide | Dec 21, 18 | Mar 01, 22 | Philip Morris USA Inc. |
| 11219244 | Tobacco-derived carbon material | Dec 22, 14 | Jan 11, 22 | R.J. Reynolds Tobacco Company |
| 11178907 | Smoking article having a filter including a capsule | Dec 18, 14 | Nov 23, 21 | Philip Morris Products SA |
| 11160305 | Additive releasing materials | Oct 10, 14 | Nov 02, 21 | British American Tobacco (Investments) Limited |
| 11109619 | Filter materials including functionalized cellulose | Sep 05, 14 | Sep 07, 21 | Massachusetts Institute of Technology |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 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. |
| 2020/0146,343 | FLAVOR CAPSULE FOR ENHANCED FLAVOR DELIVERY IN CIGARETTES | Jan 13, 20 | May 14, 20 | Philip Morris USA Inc. |
| 2020/0037,659 | Filters For Smoking Articles For Less Additive(s) Loss | Dec 08, 17 | Feb 06, 20 | JT International S.A. |
| 2019/0343,175 | SMOKING ARTICLE FILTER WITH AMORPHOUS MAGNESIUM CARBONATE | Dec 15, 17 | Nov 14, 19 | Not available |
| 2019/0281,888 | NEW CIGARETTE FILTER CONTAINING ALGINITE | Apr 25, 16 | Sep 19, 19 | Not available |
| 2019/0191,760 | SMOKING ARTICLE | Mar 04, 19 | Jun 27, 19 | R.J. Reynolds Tobacco Company |
| 2019/0000,136 | SMOKE GAS FILTER DEVICE AND TOBACCO PRODUCT | Jan 17, 17 | Jan 03, 19 | Not available |
| 2018/0000,153 | SHAPED ELEMENTS FOR SMOKING DEVICES | Jun 29, 16 | Jan 04, 18 | ESSENTRA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTD. |
| 2017/0042,220 | Method of Manufacturing Smoking Article With Activated Carbon Sorbent and Sodium Bicarbonate-Treated Fibers | Oct 31, 16 | Feb 16, 17 | Not available |
| 2016/0302,479 | METHOD OF MAKING MODIFIED ACTIVATED CARBON | Jun 29, 16 | Oct 20, 16 | Not available |
| 2016/0192,700 | CATALYTICALLY DEGRADABLE PLASTIC AND USE OF SAME | Jul 30, 14 | Jul 07, 16 | RHODIA ACETOW GMBH |
| 2015/0335,063 | CATALYST TO REDUCE CARBON MONOXIDE IN THE MAINSTREAM SMOKE OF A CIGARETTE | Aug 04, 15 | Nov 26, 15 | Philip Morris USA Inc. |
| 2015/0335,069 | Degradable Cigarette Filter | Jul 30, 15 | Nov 26, 15 | ACETATE INTERNATIONAL LLC |
| 2015/0313,277 | PROCESS FOR MAKING A CONTINUOUS STRUCTURE OF AN ENCAPSULATED MATERIAL | May 19, 15 | Nov 05, 15 | Philip Morris USA Inc. |
| 2015/0114,412 | SMOKING ARTICLES | Apr 24, 13 | Apr 30, 15 | BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED |
| 2011/0297,167 | REDUCTION OF CARBON MONOXIDE IN SMOKING ARTICLES USING TRANSITION METAL OXIDE CLUSTERS | Aug 15, 11 | Dec 08, 11 | Philip Morris USA Inc. |
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