- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F22B - Methods of steam generation; steam boilers
- F22B 23/00 - Water-tube boilers built-up from sets of spaced double-walled water tubes of return type in unilaterial abutting connection with a boiler drum or with a header box, i.e. built-up from Field water tubes comprising an inner tube arranged within an oute
Patent holdings for IPC class F22B 23/00
Total number of patents in this class: 6
10-year publication summary
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
| Gas Technology Institute | 374 |
1 |
| Metso Power AB | 22 |
1 |
| Miura Co., Ltd. | 287 |
1 |
| PNC Bank, National Association, AS Administrative Agent | 119 |
1 |
| Xinjiang Petroleum Engineering Co., Ltd. | 2 |
1 |
| Other owners | 0 |