- 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: 77
10-year publication summary
|
3
|
2
|
3
|
8
|
10
|
6
|
10
|
14
|
5
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8217 |
5 |
| BWXT Mpower, Inc. | 157 |
5 |
| NuScale Power, LLC | 236 |
4 |
| Societe Technique pour l'Energie Atomique Technicatome | 49 |
4 |
| Terrapower, LLC | 315 |
4 |
| China Nuclear Power Engineering Co., Ltd. | 211 |
3 |
| GE-Hitachi Nuclear Energy Americas LLC | 406 |
3 |
| Westinghouse Electric Company LLC | 1087 |
3 |
| Daily Instruments d/b/a Daily Thermetrics Corp. | 12 |
2 |
| Electricite de France | 695 |
2 |
| General Atomics | 173 |
2 |
| IHI Corporation | 3268 |
2 |
| BWXT Isotope Technology Group, Inc. | 63 |
2 |
| Framatome Inc. | 55 |
2 |
| CGN Power Co., Ltd | 256 |
2 |
| China Nuclear Power Design Company Ltd. (Shenzhen) | 61 |
2 |
| Shanghai Nuclear Engineering Research & Design Institute Co., Ltd. | 46 |
2 |
| Radiant Industries, Incorporated | 9 |
2 |
| Honeywell International Inc. | 13799 |
1 |
| Rolls-Royce PLC | 2944 |
1 |
| Other owners | 24 |