- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23Q - Ignitionextinguishing devices
- F23Q 2/40 - Cover fastenings
Patent holdings for IPC class F23Q 2/40
Total number of patents in this class: 9
10-year publication summary
|
0
|
2
|
1
|
3
|
1
|
0
|
1
|
2
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Societe BIC | 1013 |
5 |
| Exotac Industries, LLC | 7 |
2 |
| Wenzhou Star Smoking Set Co., Ltd. | 2 |
1 |
| Radlight, LLC | 4 |
1 |
| Other owners | 0 |