- All sections
- A - Human necessities
- A24D - Cigars; cigarettes; tobacco smoke filters; mouthpieces for cigars or cigarettes; manufacture of tobacco smoke filters or mouthpieces
- A24D 3/04 - Tobacco smoke filters characterised by their shape or structure
Patent holdings for IPC class A24D 3/04
Total number of patents in this class: 1323
10-year publication summary
64
|
57
|
84
|
88
|
133
|
108
|
144
|
173
|
142
|
4
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Philip Morris Products S.A. | 7276 |
239 |
British American Tobacco (Investments) Limited | 1030 |
157 |
KT & G Corporation | 2321 |
146 |
Japan Tobacco Inc. | 3481 |
138 |
Nicoventures Trading Limited | 3411 |
76 |
JT International S.A. | 2651 |
59 |
Essentra Filter Products Development Co. Pte. Ltd. | 75 |
38 |
Philip Morris USA Inc. | 720 |
36 |
R.J. Reynolds Tobacco Company | 512 |
24 |
Altria Client Services LLC | 2026 |
19 |
Eastman Chemical Company | 2252 |
18 |
Nerudia Limited | 425 |
17 |
Essentra Filter Products Limited | 29 |
17 |
China Tobacco Yunnan Industrial Co., Ltd. | 243 |
16 |
Good Tree International Inc, DBA King Palm | 39 |
14 |
G.D S.p.A. | 993 |
12 |
China Tobacco Hunan Industrial Co., Ltd. | 252 |
10 |
R. J. Reynolds Tobacco Company | 266 |
10 |
Filtrona Filter Products Development Co. Pte. Ltd | 20 |
10 |
Acetate International LLC | 63 |
9 |
Other owners | 258 |