- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F22B - Methods of steam generation; steam boilers
- F22B 21/36 - Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from water tubes grouped in panel form surrounding the combustion chamber, i.e. radiation boilers involving an upper drum or headers mounted at the top of the combustion chamber
Patent holdings for IPC class F22B 21/36
Total number of patents in this class: 5
10-year publication summary
0
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1
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1
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0
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1
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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
|
---|---|---|
Sullivan, Higgins, and Brion PPE LLC | 8 |
2 |
Siemens AG | 24990 |
1 |
Siemens Energy Global GmbH & Co. KG | 2775 |
1 |
Sullivan, Higgins & Brion PPE LLC | 1 |
1 |
Other owners | 0 |