A24B 3/00
Preparing tobacco in the factory
A24B3/00 (Preparing tobacco in the factory) appears on 797 US grants and 811 published applications in this corpus.
Search patents in A24B- Granted patents
- 797
- Published applications
- 811
- Assignees
- 218
- Inventors
- 1,671
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 14 | 0 |
| 1978 | 13 | 0 |
| 1979 | 11 | 0 |
| 1980 | 19 | 0 |
| 1981 | 23 | 0 |
| 1982 | 22 | 0 |
| 1983 | 11 | 0 |
| 1984 | 16 | 0 |
| 1985 | 24 | 0 |
| 1986 | 22 | 0 |
| 1987 | 18 | 0 |
| 1988 | 16 | 0 |
| 1989 | 12 | 0 |
| 1990 | 15 | 0 |
| 1991 | 15 | 0 |
| 1992 | 18 | 0 |
| 1993 | 9 | 0 |
| 1994 | 13 | 0 |
| 1995 | 7 | 0 |
| 1996 | 9 | 0 |
| 1997 | 14 | 0 |
| 1998 | 14 | 0 |
| 1999 | 8 | 0 |
| 2000 | 15 | 0 |
| 2001 | 11 | 4 |
| 2002 | 7 | 8 |
| 2003 | 6 | 6 |
| 2004 | 5 | 16 |
| 2005 | 3 | 13 |
| 2006 | 1 | 7 |
| 2007 | 1 | 13 |
| 2008 | 5 | 11 |
| 2009 | 2 | 4 |
| 2010 | 5 | 9 |
| 2011 | 9 | 11 |
| 2012 | 5 | 9 |
| 2013 | 5 | 9 |
| 2014 | 10 | 20 |
| 2015 | 7 | 29 |
| 2016 | 13 | 20 |
| 2017 | 14 | 29 |
| 2018 | 19 | 41 |
| 2019 | 34 | 43 |
| 2020 | 34 | 55 |
| 2021 | 21 | 70 |
| 2022 | 31 | 82 |
| 2023 | 30 | 65 |
| 2024 | 58 | 93 |
| 2025 | 49 | 80 |
| 2026 | 36 | 64 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A24B 3/14Forming reconstituted tobacco products312
- A24B 3/18Preparing tobacco in the factory: other treatment of leaves232
- A24B 3/04Humidifying or drying tobacco bunches or cut tobacco134
- A24B 3/12Steaming, curing, or flavouring tobacco88
- A24B 3/06Loosening tobacco leaves or cut tobacco38
- A24B 3/08Blending tobacco33
- A24B 3/16Classifying or aligning leaves26
- A24B 3/02Humidifying packed raw tobacco18
All 10 subgroupsShow fewer
Recent patents
- Aerosol-generating material6 Oct 2026US 12,751,483 B2Nicoventures Trading Limited
- Aerosol-generating article and method of manufacturing the same22 Sep 2026US 12,740,586 B2Kt&G Corporation
- Manufacture of gas emission medium for enhancing migration amount of active ingredients15 Sep 2026US 12,733,671 B2Kt&G Corporation
- Wrapper for smoking articles with cast-like properties25 Aug 2026US 12,714,137 B2SWM Holdings US, LLC
- Article for use in a non-combustible aerosol provision system25 Aug 2026US 12,714,138 B2Nicoventures Trading Limited
- Tobacco treatment1 Oct 2026US 2026/0293960 A1British American Tobacco Exports Limited
- Aerosol-generating material for use in an aerosol delivery system24 Sep 2026US 2026/0283219 A1Nicoventures Trading Limited
- Method and machine for making a plant-based web17 Sep 2026US 2026/0271984 A1Comas - Costruzioni Macchine Speciali - S.P.A.
- Method for treating tobacco material and treated tobacco material17 Sep 2026US 2026/0271989 A1Philip Morris Products S. A.
- Purified labdanum extract, method for producing same, tobacco material, tobacco rod, and flavor inhaler17 Sep 2026US 2026/0271991 A1Japan Tobacco Inc.
Most cited
By later US patents
- Tobacco-containing smoking article622US 7,726,320 B2R. J. Reynolds Tobacco Company · 2010
- Tobacco containing smoking article384US 8,079,371 B2R. J. Reynolds Tobacco Company · 2011
- Treatment of tobacco209US 4,150,677 APhilip Morris Incorporated · 1979
- Method and apparatus for drying and cooling extruded tobacco-containing material190US 4,874,000 APhilip Morris Incorporated · 1989
- Extruded tobacco materials178US 4,821,749 AR. J. Reynolds Tobacco Company · 1989