- 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: 362
10-year publication summary
|
22
|
23
|
31
|
16
|
22
|
22
|
32
|
29
|
27
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Terrapower, LLC | 333 |
28 |
| Westinghouse Electric Company LLC | 1136 |
28 |
| Korea Hydro & Nuclear Power Co., Ltd. | 462 |
22 |
| Mitsubishi Heavy Industries, Ltd. | 8715 |
21 |
| China Nuclear Power Engineering Co., Ltd. | 253 |
15 |
| GE-Hitachi Nuclear Energy Americas LLC | 429 |
15 |
| CGN Power Co., Ltd | 314 |
15 |
| China General Nuclear Power Corporation | 284 |
13 |
| Areva NP | 214 |
12 |
| Framatome | 189 |
12 |
| NuScale Power, LLC | 272 |
11 |
| Electricite de France | 734 |
10 |
| Framatome ANP | 90 |
9 |
| China Nuclear Power Technology Research Institute Co., Ltd. | 212 |
8 |
| Mitsubishi Electric Corporation | 46093 |
7 |
| BWXT Mpower, Inc. | 156 |
6 |
| Hitachi-GE Nuclear Energy, Ltd. | 282 |
6 |
| Framatome GmbH | 249 |
6 |
| China Nuclear Power Design Company Ltd. (Shenzhen) | 78 |
5 |
| Analysis and Measurement Services Corporation | 14 |
4 |
| Other owners | 109 |