- 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: 128
10-year publication summary
|
5
|
4
|
5
|
5
|
5
|
8
|
4
|
11
|
4
|
4
|
| 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 |
23 |
| Areva NP | 211 |
9 |
| KEPCO Nuclear Fuel Co., Ltd. | 142 |
9 |
| China General Nuclear Power Corporation | 284 |
6 |
| China Nuclear Power Technology Research Institute Co., Ltd. | 216 |
6 |
| Terrapower, LLC | 335 |
6 |
| CGN Power Co., Ltd | 316 |
6 |
| Global Nuclear Fuel - Americas, LLC | 49 |
4 |
| Westinghouse Electric Sweden AB | 98 |
4 |
| BWXT Mpower, Inc. | 156 |
3 |
| Korea Nuclear Fuel Co., Ltd. | 15 |
3 |
| BWXT Advanced Technologies LLC | 124 |
3 |
| Hitachi, Ltd. | 15632 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10955 |
2 |
| Babcock & Wilcox Mpower, Inc. | 55 |
2 |
| GE-Hitachi Nuclear Energy Americas LLC | 433 |
2 |
| Hitachi-GE Nuclear Energy, Ltd. | 284 |
2 |
| Joint Stock Company "TVEL" | 39 |
2 |
| Korea Atomic Energy Research Institute | 445 |
2 |
| Thorium Power, Inc. | 23 |
2 |
| Other owners | 30 |