- All sections
- G - Physics
- G21C - Nuclear reactors
- G21C 3/356 - Spacer grids being provided with fuel element supporting members
Patent holdings for IPC class G21C 3/356
Total number of patents in this class: 62
10-year publication summary
|
1
|
5
|
2
|
2
|
0
|
4
|
2
|
5
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Westinghouse Electric Company LLC | 1154 |
17 |
| Areva NP | 211 |
8 |
| BWXT Mpower, Inc. | 156 |
5 |
| China General Nuclear Power Corporation | 284 |
4 |
| China Nuclear Power Technology Research Institute Co., Ltd. | 216 |
4 |
| KEPCO Nuclear Fuel Co., Ltd. | 142 |
4 |
| CGN Power Co., Ltd | 316 |
4 |
| Global Nuclear Fuel - Americas, LLC | 49 |
2 |
| Westinghouse Electric Sweden AB | 98 |
2 |
| BWXT Advanced Technologies LLC | 124 |
2 |
| Hitachi, Ltd. | 15632 |
1 |
| China Nuclear Power Engineering Co., Ltd. | 261 |
1 |
| Open Joint-Stock Company Tvel | 4 |
1 |
| Ultra Safe Nuclear Corporation | 51 |
1 |
| TN Americas LLC | 21 |
1 |
| Framatome | 192 |
1 |
| Otkrytoe Aktsionernoe Obschestvo "novosibirsky Zavod Khimkontsentratov" | 2 |
1 |
| Unist(ulsan National Institute of Science and Technology) | 486 |
1 |
| Lingdong Nuclear Power Company Limited | 1 |
1 |
| Nuclear Power Institute of China | 37 |
1 |
| Other owners | 0 |