- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F22B - Methods of steam generation; steam boilers
- F22B 37/20 - Supporting arrangements, e.g. for securing water-tube sets
Patent holdings for IPC class F22B 37/20
Total number of patents in this class: 84
10-year publication summary
|
10
|
12
|
8
|
4
|
12
|
5
|
4
|
2
|
1
|
1
|
| 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 |
12 |
| BWXT Canada, Ltd. | 39 |
12 |
| NuScale Power, LLC | 236 |
6 |
| Sumitomo Shi FW Energia Oy | 48 |
6 |
| Valmet Technologies Oy | 284 |
5 |
| General Electric Technology GmbH | 1657 |
3 |
| Mitsubishi Hitachi Power Systems, Ltd. | 999 |
3 |
| Shanghai Boiler Works Ltd | 26 |
3 |
| Westinghouse Electric Company LLC | 1087 |
3 |
| Areva NP | 228 |
2 |
| Casale SA | 572 |
2 |
| John Cockerill Renewables S.A. | 7 |
2 |
| Alstom Technology Ltd | 1196 |
1 |
| AREVA Inc. | 30 |
1 |
| AREVA NP Inc. | 39 |
1 |
| The Babcock & Wilcox Company | 184 |
1 |
| Bradken Resources Pty Limited | 153 |
1 |
| Burnham Services, Inc. | 48 |
1 |
| Cockerill Maintenance & Ingenierie SA | 82 |
1 |
| Doosan Babcock Energy Limited | 1 |
1 |
| Other owners | 17 |