- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F22B - Methods of steam generationsteam boilers
- F22B 33/14 - Combinations of low- and high-pressure boilers
Patent holdings for IPC class F22B 33/14
Total number of patents in this class: 8
10-year publication summary
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1
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1
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0
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0
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1
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1
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1
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1
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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
|
|---|---|---|
| Guangdong University of Technology | 668 |
2 |
| GE Infrastructure Technology, LLC | 6155 |
2 |
| Siemens AG | 23956 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 9204 |
1 |
| Kawasaki Heavy Industries, Limited | 1696 |
1 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5294 |
1 |
| Other owners | 0 |