- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23D - Burners
- F23D 3/14 - Blue-flame burners with mixing of air and fuel vapour in a chamber before the flame
Patent holdings for IPC class F23D 3/14
Total number of patents in this class: 6
10-year publication summary
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pyrotek, Inc. | 204 |
2 |
| 3m Innovative Properties Company | 17450 |
1 |
| Yara Praxair AS | 1 |
1 |
| Hanwha Aerospace Co., Ltd. | 175 |
1 |
| Romsdalsfisk AS | 1 |
1 |
| Other owners | 0 |