- All sections
- G - Physics
- G21C - Nuclear reactors
- G21C 3/34 - Spacer grids
Patent holdings for IPC class G21C 3/34
Total number of patents in this class: 130
10-year publication summary
|
4
|
5
|
5
|
5
|
9
|
5
|
11
|
4
|
4
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Westinghouse Electric Company LLC | 1194 |
23 |
| KEPCO Nuclear Fuel Co., Ltd. | 149 |
10 |
| Areva NP | 200 |
9 |
| China General Nuclear Power Corporation | 286 |
6 |
| China Nuclear Power Technology Research Institute Co., Ltd. | 249 |
6 |
| Terrapower, LLC | 361 |
6 |
| CGN Power Co., Ltd | 338 |
6 |
| Westinghouse Electric Sweden AB | 99 |
4 |
| BWXT Mpower, Inc. | 159 |
3 |
| Global Nuclear Fuel - Americas, LLC | 43 |
3 |
| Korea Nuclear Fuel Co., Ltd. | 15 |
3 |
| BWXT Advanced Technologies LLC | 131 |
3 |
| Hitachi, Ltd. | 16163 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11127 |
2 |
| Babcock & Wilcox Mpower, Inc. | 55 |
2 |
| China Nuclear Power Engineering Co., Ltd. | 300 |
2 |
| GE-Hitachi Nuclear Energy Americas LLC | 453 |
2 |
| Joint Stock Company "TVEL" | 40 |
2 |
| Thorium Power, Inc. | 23 |
2 |
| Publichnoe Aktsionernoe Obshchestvo "novosibirsky Zavod Khimkontsentratov" (pao Nzhk) | 10 |
2 |
| Other owners | 32 |