- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F22B - Methods of steam generation; steam boilers
- F22B 1/20 - Methods of steam generation characterised by form of heating method using heat evolved in a solution absorbing steam; Soda steam boilers
Patent holdings for IPC class F22B 1/20
Total number of patents in this class: 16
10-year publication summary
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2
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3
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0
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0
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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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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
|
|---|---|---|
| Valmet Technologies Oy | 284 |
3 |
| Armaly Sponge Company | 188 |
2 |
| RAI Strategic Holdings, Inc. | 1026 |
2 |
| Henkel Corporation | 1262 |
2 |
| Clean Planet Inc. | 61 |
1 |
| CPS Products, Inc. | 37 |
1 |
| Helen of Troy Limited | 1767 |
1 |
| National University Corporation Tohoku University | 194 |
1 |
| Steris Inc. | 146 |
1 |
| Valmet Automation Oy | 107 |
1 |
| Toshiba Mitsubishi-Electric Industrial System Corp | 12 |
1 |
| Other owners | 0 |