Class A24D : CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
Subclass 3/00: 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)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11992040 | Tube filter production device and tube filter production method | Aug 27, 20 | May 28, 24 | KT&G Corporation |
| 11582998 | Smoking article with front-plug and method | Dec 28, 12 | Feb 21, 23 | Philip Morris Products SA |
| 11503856 | Smoking article with front-plug and method | Dec 28, 12 | Nov 22, 22 | Philip Morris Products SA |
| 11306416 | Functional regenerated viscose fiber | Nov 14, 16 | Apr 19, 22 | JINAN SHENGQUAN GROUP SHARE HOLDING CO., LTD. |
| 11231408 | Fibers with chemical markers used for coding | Nov 08, 17 | Jan 25, 22 | Eastman Chemical Company |
| 11103003 | Modified cross-section lyocell material for tobacco filter, and preparation method therefor | Jun 30, 15 | Aug 31, 21 | Kolon Industries Inc.; KT&G Corporation; |
| 11013267 | Non-combustible tobacco vaping insert, and a cartridge containing the non-combustible tobacco vaping insert | Sep 22, 17 | May 25, 21 | ALTRIA CLIENT SERVICES LLC |
| 10798966 | Filter materials and filters made therefrom | Jan 21, 15 | Oct 13, 20 | British American Tobacco (Investments) Limited |
| 10757966 | Method and apparatus for manufacturing filters for smoking articles | Dec 17, 13 | Sep 01, 20 | Philip Morris Products SA |
| 10717029 | Method of making an acetate tow band with shape and size used for coding | Nov 28, 17 | Jul 21, 20 | Eastman Chemical Company |
| 10645969 | Filter manufacturing apparatus | Nov 25, 16 | May 12, 20 | Philip Morris Products SA |
| 10575556 | Smoking article with liquid release component having frangible shell | Dec 18, 14 | Mar 03, 20 | Philip Morris Products SA |
| 10555553 | Filter with improved hardness and filtration efficiency | Dec 23, 14 | Feb 11, 20 | Philip Morris Products SA |
| 10527593 | Method of making fibers with chemical markers and physical features used for coding | Nov 29, 17 | Jan 07, 20 | Eastman Chemical Company |
| 10452873 | Fibers with surface markings used for coding | Nov 30, 17 | Oct 22, 19 | Eastman Chemical Company |
| 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 |
| 10285435 | Rod for a smoking article and method and apparatus for manufacture | Nov 21, 14 | May 14, 19 | British American Tobacco (Investments) Limited |
| 10264815 | Biopolymer foams as filters for smoking articles | Dec 14, 15 | Apr 23, 19 | Philip Morris USA Inc. |
| 10127410 | Fibers with physical features used for coding | Jan 22, 18 | Nov 13, 18 | Eastman Chemical Company |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2015/0257,438 | LOW IGNITION PROPENSITY CIGARETTE PAPER AND CIGARETTE INCLUDING THE SAME | Dec 05, 12 | Sep 17, 15 | KT&G CORPORATION |
| 2015/0122,271 | THERMAL TREATMENT PROCESS FOR TOBACCO MATERIALS | Dec 29, 14 | May 07, 15 | Not available |
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