Aerosol-generating article comprising a transparent tube
US-2017325497-A1 · Nov 16, 2017 · US
Cigarettes with integrated combustible heat sources, e.g. with carbonaceous heat sources
Cigarettes with integrated combustible heat sources, e.g. with carbonaceous heat sources · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A24D1/22 |
| Official title | Cigarettes with integrated combustible heat sources, e.g. with carbonaceous heat sources |
| Display label | Cigarettes with integrated combustible heat sources, e.g. with carbonaceous heat sources |
| Total patents | 414 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 29 |
| 2016 | 27 |
| 2017 | 25 |
| 2018 | 40 |
| 2019 | 55 |
| 2020 | 43 |
| 2021 | 45 |
| 2022 | 41 |
| 2023 | 37 |
| 2024 | 38 |
| 2025 | 25 |
| 2026 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Smoking article comprising a friction ignitable combustible carbonaceous heat source
US-2017318859-A1 · Nov 9, 2017 · US
Method for applying heat conducting patches to a material web
US-2017273353-A1 · Sep 28, 2017 · US
Smoking article
US-2017164654-A1 · Jun 15, 2017 · US
Carbon heat source and flavor inhaler
US-2016353797-A1 · Dec 8, 2016 · US
Segmented smoking article with foamed insulation material
US-9486013-B2 · Nov 8, 2016 · US
Smoking article comprising an insulated combustible heat source
US-2016316816-A1 · Nov 3, 2016 · US
Thermal laminate rods for use in aerosol-generating articles
US-2016309781-A1 · Oct 27, 2016 · US
Non-tobacco nicotine containing article
US-2016295926-A1 · Oct 13, 2016 · US
Smoking composition comprising flavour precursor
US-2016286851-A1 · Oct 6, 2016 · US
Smoking article filter including degradable filter component
US-2016270437-A1 · Sep 22, 2016 · US
Segmented smoking article with substrate cavity
US-9439453-B2 · Sep 13, 2016 · US
Heated aerosol-generating articles comprising improved rods
US-2016213063-A1 · Jul 28, 2016 · US
Smoking article with non-overlapping, radially separated, dual heat-conducting elements
US-2016192704-A1 · Jul 7, 2016 · US
Smoking article with single radially-separated heat-conducting element
US-2016174609-A1 · Jun 23, 2016 · US
Tobacco-derived carbon material
US-2016174605-A1 · Jun 23, 2016 · US
Smoking article wrapper with window
US-2016174608-A1 · Jun 23, 2016 · US
Hydrophobic paper
US-2016157519-A1 · Jun 9, 2016 · US
Control of puff profile
US-2016157521-A1 · Jun 9, 2016 · US
Carbon heat source drying method
US-2016161184-A1 · Jun 9, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A24D1/22?
- CPC A24D1/22 is the Cooperative Patent Classification code for “Cigarettes with integrated combustible heat sources, e.g. with carbonaceous heat sources.”
- How many patents are filed under CPC A24D1/22 (Cigarettes with integrated combustible heat sources, e.g. with carbonaceous heat sources)?
- Our database includes 414 publications tagged with this CPC code.
- Is patent activity under CPC A24D1/22 growing?
- Publication counts under this code: 38 in 2024 vs 25 in 2025 (latest complete years).