- All sections
- A - Human necessities
- A24D - Cigarscigarettestobacco smoke filtersmouthpieces for cigars or cigarettesmanufacture of tobacco smoke filters or mouthpieces
- A24D 1/12 - CigarsCigarettes with ash-retaining attachments, holders, or other equipment
Patent holdings for IPC class A24D 1/12
Total number of patents in this class: 11
10-year publication summary
|
2
|
0
|
3
|
0
|
5
|
1
|
0
|
1
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KT & G Corporation | 3166 |
7 |
| China Tobacco Yunnan Industrial Co., Ltd. | 279 |
1 |
| Cigbuster AB | 3 |
1 |
| Garclip LLC | 3 |
1 |
| Harbin Normal University | 8 |
1 |
| Other owners | 0 |