- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F22B - Methods of steam generationsteam boilers
- F22B 21/02 - Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially-straight water tubes
Patent holdings for IPC class F22B 21/02
Total number of patents in this class: 24
10-year publication summary
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4
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5
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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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2
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1
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24518 |
2 |
| Alstom Technology Ltd | 1108 |
2 |
| Andritz Technology and Asset Management GmbH | 90 |
2 |
| Casale SA | 608 |
2 |
| Cockerill Maintenance & Ingenierie SA | 80 |
2 |
| Institute of Engineering Thermophysics, Chinese Academy of Sciences | 49 |
2 |
| ExxonMobil Research And Engineering Company | 2579 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8703 |
1 |
| Uop LLC | 4244 |
1 |
| General Electric Technology GmbH | 1371 |
1 |
| Huaneng Clean Energy Research Institute | 432 |
1 |
| Mokesys AG | 7 |
1 |
| Tiax LLC | 65 |
1 |
| Turboden SpA | 58 |
1 |
| Steris Instrument Management Services, Inc. | 71 |
1 |
| Siemens Energy Global GmbH & Co. KG | 2944 |
1 |
| Arabelle Solutions France | 151 |
1 |
| Jiangsu Sifang Clean Energy Equipment Manufacturing Co. | 1 |
1 |
| Other owners | 0 |