- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F22B - Methods of steam generation; steam boilers
- F22B 25/00 - Water-tube boilers built-up from sets of water tubes with internally-arranged flue tubes, or fire tubes, extending through the water tubes
Patent holdings for IPC class F22B 25/00
Total number of patents in this class: 10
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
|
|---|---|---|
| Miura Co., Ltd. | 287 |
2 |
| LG Electronics Inc. | 69257 |
1 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
1 |
| Babcock & Wilcox Canada Ltd. | 8 |
1 |
| Exponential Technologies, Inc. | 37 |
1 |
| Mestek, Inc. | 131 |
1 |
| Patrick A. Kaupp | 1 |
1 |
| Superior Boiler, LLC | 5 |
1 |
| Carnegie Corporation Ltd | 3 |
1 |
| Other owners | 0 |