- All sections
- A - Human necessities
- A24B - Manufacture or preparation of tobacco for smoking or chewingtobaccosnuff
- A24B 1/04 - Sifting, sorting, cleaning or removing impurities from tobacco
Patent holdings for IPC class A24B 1/04
Total number of patents in this class: 29
10-year publication summary
|
0
|
3
|
2
|
3
|
6
|
1
|
1
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Altria Client Services LLC | 2171 |
14 |
| Altria Client Services Inc. | 74 |
2 |
| Hauni Maschinenbau AG | 76 |
2 |
| U.S. Smokeless Tobacco Company LLC | 191 |
2 |
| Philip Morris Products S.A. | 7519 |
1 |
| Hauni Maschinenbau GmbH | 127 |
1 |
| Japan Tobacco Inc. | 3512 |
1 |
| Jiangsu University | 1092 |
1 |
| Universal Leaf Tobacco Company, Inc. | 19 |
1 |
| Diem LLC | 1 |
1 |
| Pearson Incorporated | 30 |
1 |
| Essentra Filter Products Development Co. Pte. Ltd. | 53 |
1 |
| LFT Technologies Corp. | 5 |
1 |
| Other owners | 0 |