- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F22B - Methods of steam generationsteam boilers
- F22B 7/08 - Steam boilers of furnace-tube type, i.e. the combustion of fuel being performed inside one or more furnace tubes built-in in the boiler body with auxiliary water tubes inside the furnace tube in longitudinal arrangement
Patent holdings for IPC class F22B 7/08
Total number of patents in this class: 2
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
|
|---|---|---|
| ClearSign Technologies Corporation | 52 |
1 |
| Doosan Enerbility Co., Ltd. | 255 |
1 |
| Other owners | 0 |