- 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: 295
10-year publication summary
|
22
|
24
|
19
|
18
|
27
|
9
|
17
|
9
|
11
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 9139 |
18 |
| Westinghouse Electric Company LLC | 1195 |
17 |
| Electricite de France | 755 |
9 |
| GE Infrastructure Technology, LLC | 6165 |
9 |
| Alstom Technology Ltd | 1040 |
8 |
| General Electric Company | 13910 |
7 |
| Areva NP | 201 |
7 |
| NuScale Power, LLC | 309 |
7 |
| Kurita Water Industries Ltd. | 1283 |
6 |
| Westinghouse Electric Germany GmbH | 18 |
6 |
| Arvos Ljungstrom LLC | 48 |
6 |
| Siemens AG | 24020 |
5 |
| General Electric Technology GmbH | 1337 |
5 |
| Mitsubishi Power, Ltd. | 1834 |
5 |
| IHI Corporation | 3535 |
4 |
| Framatome Inc. | 58 |
4 |
| Framatome GmbH | 252 |
4 |
| BWXT Canada, Ltd. | 38 |
3 |
| DRI-STEEM Corporation | 48 |
3 |
| Korea Atomic Energy Research Institute | 463 |
3 |
| Other owners | 159 |