- All sections
- G - Physics
- G21D - Nuclear power plant
- G21D 3/04 - Safety arrangements
Patent holdings for IPC class G21D 3/04
Total number of patents in this class: 255
10-year publication summary
|
17
|
30
|
16
|
24
|
15
|
28
|
19
|
18
|
14
|
8
|
| 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 |
29 |
| NuScale Power, LLC | 236 |
21 |
| Westinghouse Electric Company LLC | 1087 |
18 |
| GE-Hitachi Nuclear Energy Americas LLC | 406 |
15 |
| Korea Hydro & Nuclear Power Co., Ltd. | 383 |
14 |
| Korea Atomic Energy Research Institute | 418 |
9 |
| Mitsubishi Electric Corporation | 43934 |
8 |
| China Nuclear Power Engineering Co., Ltd. | 211 |
7 |
| Paragon Energy Solutions, LLC | 8 |
6 |
| BWXT Mpower, Inc. | 157 |
5 |
| China General Nuclear Power Corporation | 244 |
5 |
| Hitachi-GE Nuclear Energy, Ltd. | 261 |
5 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
5 |
| CGN Power Co., Ltd | 256 |
5 |
| Atomic Energy of Canada Limited | 132 |
4 |
| Electricite de France | 695 |
4 |
| Ultra Safe Nuclear Corporation | 105 |
4 |
| Areva GmbH | 90 |
3 |
| KEPCO Nuclear Fuel Co., Ltd. | 130 |
3 |
| Ohio State Innovation Foundation | 1770 |
3 |
| Other owners | 82 |