- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F22B - Methods of steam generationsteam boilers
- F22B 11/02 - Steam boilers of combined fire-tube type and water-tube type, i.e. steam boilers of fire-tube type having auxiliary water tubes the fire tubes being in upright arrangement
Patent holdings for IPC class F22B 11/02
Total number of patents in this class: 4
10-year publication summary
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0
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1
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1
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0
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gas Technology Institute | 329 |
1 |
| Synthesis Energy Systems, Inc. | 18 |
1 |
| VITKOVICE POWER ENGINEERING a.s. | 1 |
1 |
| Vytis, Ltd | 4 |
1 |
| Other owners | 0 |