- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F22B - Methods of steam generation; steam boilers
- F22B 31/02 - Installation of water-tube boilers in chimneys, e.g. in converter chimneys
Patent holdings for IPC class F22B 31/02
Total number of patents in this class: 3
10-year publication summary
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0
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0
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1
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0
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0
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0
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0
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0
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0
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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
|
|---|---|---|
| Xi'an Jiaotong University | 579 |
1 |
| Yantai Longyuan Power Technology Co., Ltd. | 21 |
1 |
| Guodian New Energy Technology Research Institute | 9 |
1 |
| Other owners | 0 |