- 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: 366
10-year publication summary
|
21
|
19
|
27
|
15
|
22
|
21
|
31
|
28
|
27
|
25
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Terrapower, LLC | 336 |
28 |
| Westinghouse Electric Company LLC | 1154 |
28 |
| Korea Hydro & Nuclear Power Co., Ltd. | 488 |
23 |
| Mitsubishi Heavy Industries, Ltd. | 8871 |
21 |
| China Nuclear Power Engineering Co., Ltd. | 262 |
15 |
| GE-Hitachi Nuclear Energy Americas LLC | 433 |
15 |
| CGN Power Co., Ltd | 316 |
15 |
| China General Nuclear Power Corporation | 284 |
13 |
| Framatome | 192 |
12 |
| Areva NP | 208 |
11 |
| Framatome ANP | 94 |
11 |
| NuScale Power, LLC | 281 |
11 |
| Electricite de France | 738 |
10 |
| China Nuclear Power Technology Research Institute Co., Ltd. | 216 |
8 |
| Mitsubishi Electric Corporation | 46870 |
7 |
| BWXT Mpower, Inc. | 157 |
6 |
| Framatome GmbH | 255 |
6 |
| Hitachi-GE Nuclear Energy, Ltd. | 283 |
5 |
| China Nuclear Power Design Company Ltd. (Shenzhen) | 85 |
5 |
| Analysis and Measurement Services Corporation | 14 |
4 |
| Other owners | 112 |