- 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: 69
10-year publication summary
|
6
|
5
|
1
|
7
|
4
|
19
|
6
|
0
|
8
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Terrapower, LLC | 364 |
12 |
| Westinghouse Electric Company LLC | 1200 |
10 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11130 |
9 |
| Westinghouse Electric Sweden AB | 98 |
4 |
| Atomic Energy of Canada Limited | 129 |
3 |
| Free Form Fibers, LLC | 39 |
3 |
| Joint Stock Company "TVEL" | 40 |
3 |
| BWXT Nuclear Energy, Inc. | 44 |
2 |
| Framatome ANP | 100 |
2 |
| General Atomics | 166 |
2 |
| UT-Battelle, LLC | 1525 |
2 |
| Ultra Safe Nuclear Corporation | 36 |
2 |
| BWXT Advanced Technologies LLC | 131 |
2 |
| Georgia Tech Research Corporation | 2977 |
1 |
| Korea Advanced Institute of Science and Technology | 4708 |
1 |
| Abilene Christian University, DBA ACU | 86 |
1 |
| Advanced Reactor Concepts LLC | 15 |
1 |
| BAE SYSTEMS plc | 2519 |
1 |
| Korea Atomic Energy Research Institute | 464 |
1 |
| Korea Hydro & Nuclear Power Co., Ltd. | 567 |
1 |
| Other owners | 6 |