- All sections
- G - Physics
- G21C - Nuclear reactors
- G21C 13/028 - Seals, e.g. for pressure vessels or containment vessels
Patent holdings for IPC class G21C 13/028
Total number of patents in this class: 92
10-year publication summary
|
3
|
8
|
10
|
6
|
10
|
15
|
5
|
6
|
6
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NuScale Power, LLC | 307 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 9115 |
5 |
| BWXT Mpower, Inc. | 158 |
5 |
| Terrapower, LLC | 359 |
5 |
| Societe Technique pour l'Energie Atomique Technicatome | 49 |
4 |
| Last Energy Inc. | 11 |
4 |
| China Nuclear Power Engineering Co., Ltd. | 296 |
3 |
| GE-Hitachi Nuclear Energy Americas LLC | 454 |
3 |
| Westinghouse Electric Company LLC | 1190 |
3 |
| Nuclear And Industrial Innovations LLC | 4 |
3 |
| Daily Instruments d/b/a Daily Thermetrics Corp. | 12 |
2 |
| Electricite de France | 754 |
2 |
| General Atomics | 164 |
2 |
| IHI Corporation | 3532 |
2 |
| BWXT Isotope Technology Group, Inc. | 66 |
2 |
| Framatome Inc. | 58 |
2 |
| CGN Power Co., Ltd | 338 |
2 |
| China Nuclear Power Design Company Ltd. (Shenzhen) | 106 |
2 |
| Shanghai Nuclear Engineering Research & Design Institute Co., Ltd. | 89 |
2 |
| Radiant Industries, Incorporated | 9 |
2 |
| Other owners | 31 |