- All sections
- G - Physics
- G21C - Nuclear reactors
- G21C 3/18 - Internal spacers or other non-active material within the casing, e.g. compensating for expansion of fuel rods or for compensating excess reactivity
Patent holdings for IPC class G21C 3/18
Total number of patents in this class: 62
10-year publication summary
|
2
|
4
|
6
|
5
|
1
|
7
|
4
|
18
|
6
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
10 |
| Terrapower, LLC | 315 |
9 |
| Westinghouse Electric Company LLC | 1087 |
9 |
| Westinghouse Electric Sweden AB | 105 |
4 |
| Atomic Energy of Canada Limited | 132 |
3 |
| Free Form Fibers, LLC | 38 |
3 |
| Joint Stock Company "TVEL" | 37 |
3 |
| BWXT Nuclear Energy, Inc. | 42 |
2 |
| General Atomics | 173 |
2 |
| SMR Inventec, LLC | 47 |
2 |
| UT-Battelle, LLC | 1333 |
2 |
| Ultra Safe Nuclear Corporation | 105 |
2 |
| Korea Advanced Institute of Science and Technology | 3906 |
1 |
| Advanced Reactor Concepts LLC | 15 |
1 |
| Areva NC | 135 |
1 |
| Framatome ANP | 77 |
1 |
| Hitachi-GE Nuclear Energy, Ltd. | 261 |
1 |
| Korea Atomic Energy Research Institute | 418 |
1 |
| Korea Hydro & Nuclear Power Co., Ltd. | 383 |
1 |
| Nordion (Canada) Inc. | 34 |
1 |
| Other owners | 3 |