- All sections
- A - Human necessities
- A24D - Cigarscigarettestobacco smoke filtersmouthpieces for cigars or cigarettesmanufacture of tobacco smoke filters or mouthpieces
- A24D 3/00 - Tobacco smoke filters, e.g. filter-tips, filtering insertsFilters specially adapted for simulated smoking devicesMouthpieces for cigars or cigarettes
Patent holdings for IPC class A24D 3/00
Total number of patents in this class: 103
10-year publication summary
|
7
|
7
|
14
|
6
|
6
|
9
|
4
|
9
|
3
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eastman Chemical Company | 2254 |
15 |
| Philip Morris Products S.A. | 7519 |
11 |
| R.J. Reynolds Tobacco Company | 503 |
6 |
| British American Tobacco (Investments) Limited | 1029 |
5 |
| KT & G Corporation | 2584 |
5 |
| Philip Morris USA Inc. | 707 |
4 |
| Altria Client Services LLC | 2171 |
4 |
| Japan Tobacco Inc. | 3512 |
4 |
| North Carolina State University | 1555 |
3 |
| R.Y.L. Inc. | 43 |
3 |
| Beijing Zhongkegaoyi Yinqing Jishu Co., Ltd. | 5 |
3 |
| Celanese Acetate LLC | 71 |
2 |
| R. J. Reynolds Tobacco Company | 267 |
2 |
| British American Tobacco South Africa Proprietary Limited | 2 |
2 |
| Nicoventures Trading Limited | 3797 |
2 |
| Blunt Wrap U.S.A., Inc. | 46 |
1 |
| Boegli-Gravures S.A. | 117 |
1 |
| China Tobacco Yunnan Industrial Co., Ltd. | 248 |
1 |
| Consiglio Nazionale delle Ricerche | 551 |
1 |
| Daicel Chemical Industries, Ltd. | 229 |
1 |
| Other owners | 27 |