- All sections
- G - Physics
- G21D - Nuclear power plant
- G21D 3/00 - Control of nuclear power plant
Patent holdings for IPC class G21D 3/00
Total number of patents in this class: 314
10-year publication summary
|
20
|
22
|
23
|
31
|
16
|
22
|
21
|
32
|
29
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Terrapower, LLC | 315 |
28 |
| Westinghouse Electric Company LLC | 1087 |
27 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
21 |
| Korea Hydro & Nuclear Power Co., Ltd. | 383 |
17 |
| Areva NP | 228 |
12 |
| China Nuclear Power Engineering Co., Ltd. | 211 |
12 |
| Framatome | 155 |
11 |
| China General Nuclear Power Corporation | 244 |
10 |
| GE-Hitachi Nuclear Energy Americas LLC | 406 |
10 |
| Framatome ANP | 77 |
9 |
| NuScale Power, LLC | 236 |
9 |
| CGN Power Co., Ltd | 256 |
9 |
| Electricite de France | 695 |
8 |
| BWXT Mpower, Inc. | 157 |
6 |
| Framatome GmbH | 246 |
6 |
| Mitsubishi Electric Corporation | 43934 |
5 |
| China Nuclear Power Design Company Ltd. (Shenzhen) | 61 |
5 |
| Toshiba Corporation | 12017 |
4 |
| Analysis and Measurement Services Corporation | 13 |
4 |
| Atomic Energy of Canada Limited | 132 |
4 |
| Other owners | 97 |