- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F22G - Superheating of steam
- F22G 7/12 - Steam superheaters characterised by location, arrangement, or disposition in flues
Patent holdings for IPC class F22G 7/12
Total number of patents in this class: 11
10-year publication summary
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0
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1
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2
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2
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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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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huaneng Clean Energy Research Institute | 376 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8569 |
1 |
| Hitachi, Ltd. | 15259 |
1 |
| Andritz Oy | 284 |
1 |
| General Electric Technology GmbH | 1606 |
1 |
| Hitachi Zosen iNova AG | 78 |
1 |
| Wheelabrator Technologies Inc. | 13 |
1 |
| Shanghai Boiler Works Co., Ltd. | 26 |
1 |
| Jiangsu Jinniu Environmental Engineering Equipment Co., Ltd. | 1 |
1 |
| Shenzhen Energy Environmental Engineering Co., Ltd | 75 |
1 |
| Other owners | 0 |