A24B 15/28
By chemical substances
Official title: by chemical substances
A24B15/28 (By chemical substances) appears on 1,649 US grants and 1,937 published applications in this corpus.
Search patents in A24B- Granted patents
- 1,649
- Published applications
- 1,937
- Assignees
- 339
- Inventors
- 2,371
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 53 | 0 |
| 1977 | 39 | 0 |
| 1978 | 62 | 0 |
| 1979 | 49 | 0 |
| 1980 | 52 | 0 |
| 1981 | 60 | 0 |
| 1982 | 72 | 0 |
| 1983 | 45 | 0 |
| 1984 | 46 | 0 |
| 1985 | 43 | 0 |
| 1986 | 34 | 0 |
| 1987 | 24 | 0 |
| 1988 | 14 | 0 |
| 1989 | 22 | 0 |
| 1990 | 14 | 0 |
| 1991 | 14 | 0 |
| 1992 | 30 | 0 |
| 1993 | 16 | 0 |
| 1994 | 11 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 10 | 0 |
| 2001 | 12 | 0 |
| 2002 | 10 | 14 |
| 2003 | 9 | 16 |
| 2004 | 14 | 26 |
| 2005 | 7 | 39 |
| 2006 | 6 | 25 |
| 2007 | 6 | 24 |
| 2008 | 3 | 23 |
| 2009 | 11 | 27 |
| 2010 | 17 | 29 |
| 2011 | 25 | 36 |
| 2012 | 12 | 51 |
| 2013 | 29 | 44 |
| 2014 | 21 | 48 |
| 2015 | 43 | 55 |
| 2016 | 33 | 66 |
| 2017 | 34 | 70 |
| 2018 | 38 | 73 |
| 2019 | 66 | 80 |
| 2020 | 69 | 96 |
| 2021 | 53 | 164 |
| 2022 | 53 | 176 |
| 2023 | 66 | 180 |
| 2024 | 94 | 220 |
| 2025 | 110 | 194 |
| 2026 | 70 | 161 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Smoking article including novel flavoring agent6 Oct 2026US 12,751,481 B2Kt&G Corporation
- Consumable22 Sep 2026US 12,740,585 B2Nicoventures Trading Limited
- Aromatic cartridge22 Sep 2026US 12,740,589 B2Future Technology Co., Ltd.
- Manufacture of gas emission medium for enhancing migration amount of active ingredients15 Sep 2026US 12,733,671 B2Kt&G Corporation
- Cigarette additive, preparation method and application thereof15 Sep 2026US 12,733,672 B2Changde Jizhi Biological Technology Co., Ltd
- Non-wrap pillow pouch8 Oct 2026US 2026/0305678 A1Altria Client Services LLC
- Crumbed Tobacco Substrate8 Oct 2026US 2026/0305680 A1JT International SA
- Solid flavour-generating material for use in a flavour delivery system8 Oct 2026US 2026/0305681 A1Nicoventures Trading Limited
- Aerosol-generating material8 Oct 2026US 2026/0305683 A1Nicoventures Trading Limited
- An aerosol-generating device and a method of controlling aerosol production thereof8 Oct 2026US 2026/0305722 A1Philip Morris Products S. A.
Most cited
By later US patents
- Tobacco compositions, method and device for releasing essentially pure nicotine433US 4,907,606 AAB Leo · 1990
- Process for producing moist snuff282US 4,528,993 AR. J. Reynolds Tobacco Company · 1985
- Dry pre-mix for moist snuff275US 4,660,577 AR. J. Reynolds Tobacco Company · 1987
- Substrate material for smoking articles270US 5,396,911 AR. J. Reynolds Tobacco Company · 1995
- Cigarette with wrapper having additive package264US 5,220,930 AR. J. Reynolds Tobacco Company · 1993