- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F22B - Methods of steam generationsteam 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: 299
10-year publication summary
|
18
|
20
|
16
|
17
|
24
|
8
|
14
|
8
|
9
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8951 |
18 |
| Westinghouse Electric Company LLC | 1161 |
17 |
| Alstom Technology Ltd | 1076 |
9 |
| Electricite de France | 741 |
9 |
| GE Infrastructure Technology, LLC | 6205 |
9 |
| General Electric Company | 13767 |
7 |
| Areva NP | 205 |
7 |
| Siemens AG | 24294 |
6 |
| Kurita Water Industries Ltd. | 1245 |
6 |
| NuScale Power, LLC | 289 |
6 |
| Westinghouse Electric Germany GmbH | 17 |
6 |
| Arvos Ljungstrom LLC | 48 |
6 |
| General Electric Technology GmbH | 1359 |
5 |
| Mitsubishi Power, Ltd. | 1818 |
5 |
| IHI Corporation | 3491 |
4 |
| Framatome GmbH | 255 |
4 |
| BWXT Canada, Ltd. | 38 |
3 |
| DRI-STEEM Corporation | 48 |
3 |
| Korea Atomic Energy Research Institute | 452 |
3 |
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
3 |
| Other owners | 163 |