A24D 1/22
Cigarettes with integrated combustible heat sources
Official title: Cigarettes with integrated combustible heat sources, e.g. with carbonaceous heat sources
A24D1/22 (Cigarettes with integrated combustible heat sources) appears on 302 US grants and 302 published applications in this corpus.
Search patents in A24D- Granted patents
- 302
- Published applications
- 302
- Assignees
- 34
- Inventors
- 535
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 14 | 0 |
| 1991 | 24 | 0 |
| 1992 | 22 | 0 |
| 1993 | 11 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 3 |
| 2006 | 0 | 0 |
| 2007 | 0 | 5 |
| 2008 | 0 | 0 |
| 2009 | 0 | 4 |
| 2010 | 4 | 2 |
| 2011 | 1 | 7 |
| 2012 | 0 | 5 |
| 2013 | 5 | 6 |
| 2014 | 6 | 7 |
| 2015 | 3 | 26 |
| 2016 | 4 | 23 |
| 2017 | 6 | 19 |
| 2018 | 18 | 22 |
| 2019 | 24 | 34 |
| 2020 | 23 | 23 |
| 2021 | 20 | 28 |
| 2022 | 18 | 29 |
| 2023 | 19 | 19 |
| 2024 | 14 | 22 |
| 2025 | 18 | 8 |
| 2026 | 11 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Combustible heat source for smoking article and smoking article comprising same8 Sep 2026US 12,727,615 B2Kt&G Corporation
- Combustible heat source composition for smoking article and smoking article comprising same4 Aug 2026US 12,696,928 B2Kt&G Corporation
- Clove-containing aerosol-generating substrate14 Jul 2026US 12,677,862 B2Philip Morris Products S. A.
- Smoking article comprising combustible heat source in which airflow hole is formed7 Jul 2026US 12,672,670 B2Kt&G Corporation
- Heat conducting wrapper for carbon heat source-applied cigarette and cigarette including the same23 Jun 2026US 12,660,847 B2Kt&G Corporation
- Aerosol delivery device27 Aug 2026US 2026/0248184 A1R. J. Reynolds Tobacco Company
- Aerosol-generating article having compressible upstream element20 Aug 2026US 2026/0240226 A1Philip Morris Products S. A.
- Aerosol-generating article16 Jul 2026US 2026/0198547 A1Philip Morris Products S. A.
- Aerosol delivery device including a segregated substrate26 Feb 2026US 2026/0053180 A1R. J. Reynolds Tobacco Company
- Aerosol delivery device with improved cartridge loading19 Feb 2026US 2026/0047618 A1R. J. Reynolds Tobacco Company
Most cited
By later US patents
- Smoking article440US 4,793,365 AR. J. Reynolds Tobacco Company · 1988
- Aerosol delivery article429US 4,819,665 AR. J. Reynolds Tobacco Company · 1989
- Smoking article428US 4,714,082 AR. J. Reynolds Tobacco Company · 1987
- Smoking article with tobacco jacket420US 4,756,318 AR. J. Reynolds Tobacco Company · 1988
- Smoking article with an enclosed heat conductive capsule containing an aerosol forming substance416US 5,019,122 AR. J. Reynolds Tobacco Company · 1991