- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F22B - Methods of steam generation; steam boilers
- F22B 37/00 - Component parts or details of steam boilers
Patent holdings for IPC class F22B 37/00
Total number of patents in this class: 298
10-year publication summary
|
18
|
22
|
24
|
19
|
19
|
26
|
9
|
16
|
7
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8504 |
19 |
| Westinghouse Electric Company LLC | 1115 |
14 |
| Alstom Technology Ltd | 1146 |
9 |
| Electricite de France | 714 |
9 |
| GE Infrastructure Technology, LLC | 6103 |
9 |
| General Electric Company | 17801 |
7 |
| Areva NP | 220 |
7 |
| Kurita Water Industries Ltd. | 1150 |
7 |
| Westinghouse Electric Germany GmbH | 18 |
7 |
| Siemens AG | 24575 |
6 |
| NuScale Power, LLC | 253 |
6 |
| Arvos Ljungstrom LLC | 45 |
6 |
| General Electric Technology GmbH | 1602 |
5 |
| Mitsubishi Power, Ltd. | 1733 |
5 |
| IHI Corporation | 3354 |
4 |
| BWXT Canada, Ltd. | 40 |
3 |
| DRI-STEEM Corporation | 45 |
3 |
| GE-Hitachi Nuclear Energy Americas LLC | 417 |
3 |
| Korea Atomic Energy Research Institute | 426 |
3 |
| Mitsubishi Hitachi Power Systems, Ltd. | 996 |
3 |
| Other owners | 163 |