- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F22B - Methods of steam generation; steam boilers
- F22B 7/12 - 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 fire tubes; Arrangement of header boxes providing for return diversion of flue gas flow
Patent holdings for IPC class F22B 7/12
Total number of patents in this class: 7
10-year publication summary
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1
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0
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0
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2
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1
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0
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0
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0
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2
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ceramic Fuel Cells Limited | 8 |
1 |
| Preferred Utilities Manufacturing Corporation | 6 |
1 |
| Aalborg Industries A/S | 4 |
1 |
| Health Mechanical Services, LLC | 1 |
1 |
| OY, Oilon | 1 |
1 |
| The Cleaver-Brooks Company, Inc. | 39 |
1 |
| Heilongjiang Zhongtan Jiahe Biomass TE Chnology Research and Development Co. | 1 |
1 |
| Other owners | 0 |