- 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: 292
10-year publication summary
|
27
|
18
|
22
|
24
|
18
|
18
|
26
|
9
|
16
|
0
|
| 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 |
19 |
| Westinghouse Electric Company LLC | 1087 |
15 |
| Alstom Technology Ltd | 1196 |
9 |
| Electricite de France | 695 |
9 |
| GE Infrastructure Technology, LLC | 5873 |
9 |
| General Electric Company | 18133 |
7 |
| Areva NP | 228 |
7 |
| Westinghouse Electric Germany GmbH | 18 |
7 |
| Siemens AG | 24990 |
6 |
| General Electric Technology GmbH | 1657 |
6 |
| Kurita Water Industries Ltd. | 1110 |
6 |
| Arvos Ljungstrom LLC | 43 |
6 |
| NuScale Power, LLC | 236 |
5 |
| Mitsubishi Power, Ltd. | 1680 |
5 |
| IHI Corporation | 3268 |
4 |
| Korea Atomic Energy Research Institute | 418 |
4 |
| Mitsubishi Hitachi Power Systems, Ltd. | 999 |
3 |
| Shandong Huaxi Petroleum Technology Service Co., Ltd. | 3 |
3 |
| Koninklijke Philips N.V. | 22975 |
2 |
| Alfa Laval Corporate AB | 1265 |
2 |
| Other owners | 158 |