- All sections
- A - Human necessities
- A24B - Manufacture or preparation of tobacco for smoking or chewingtobaccosnuff
- A24B 3/12 - Steaming, curing, or flavouring tobacco
Patent holdings for IPC class A24B 3/12
Total number of patents in this class: 193
10-year publication summary
|
10
|
8
|
16
|
15
|
13
|
13
|
21
|
16
|
19
|
28
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Japan Tobacco Inc. | 3588 |
28 |
| British American Tobacco (Investments) Limited | 1027 |
21 |
| Philip Morris Products S.A. | 7742 |
17 |
| Altria Client Services LLC | 2258 |
14 |
| KT & G Corporation | 2714 |
11 |
| R.J. Reynolds Tobacco Company | 506 |
10 |
| Nicoventures Trading Limited | 4192 |
10 |
| China Tobacco Yunnan Industrial Co., Ltd. | 258 |
8 |
| R. J. Reynolds Tobacco Company | 263 |
6 |
| China Tobacco Hubei Industrial Corporation Limited | 87 |
5 |
| Philip Morris USA Inc. | 690 |
3 |
| University of Kentucky Research Foundation | 698 |
3 |
| Resurgent Biosciences, Inc. | 10 |
3 |
| Inner Mongolia Kunming Cigarette Co., Ltd. | 6 |
3 |
| China Tobacco Hubei Industrial LLC | 53 |
3 |
| 22nd Century Limited, LLC | 90 |
2 |
| North Carolina State University | 1579 |
2 |
| Sluis Cigar Machinery B.V. | 48 |
2 |
| Souza Cruz S.A. | 18 |
2 |
| TEWS Elektronik GmbH & Co. KG | 31 |
2 |
| Other owners | 38 |