- All sections
- G - Physics
- G21C - Nuclear reactors
- G21C 3/22 - Fuel elements with fissile or breeder material in contact with coolant
Patent holdings for IPC class G21C 3/22
Total number of patents in this class: 27
10-year publication summary
|
2
|
3
|
1
|
3
|
1
|
3
|
1
|
4
|
2
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Terrapower, LLC | 315 |
6 |
| BWXT Advanced Technologies LLC | 96 |
5 |
| BWXT Nuclear Energy, Inc. | 42 |
2 |
| Westinghouse Electric Company LLC | 1087 |
2 |
| The Regents of the University of California | 18943 |
1 |
| Toshiba Corporation | 12017 |
1 |
| China General Nuclear Power Corporation | 244 |
1 |
| China Nuclear Power Technology Research Institute Co., Ltd. | 151 |
1 |
| Dominion Engineering, Inc. | 33 |
1 |
| General Atomics | 173 |
1 |
| Guangdong Nuclear Power Joint Venture Co., Ltd. | 14 |
1 |
| Hitachi-GE Nuclear Energy, Ltd. | 261 |
1 |
| Ultra Safe Nuclear Corporation | 105 |
1 |
| United States Government Administrator of NASA | 19 |
1 |
| CGN Power Co., Ltd | 256 |
1 |
| Elysium Industries Ltd. | 15 |
1 |
| Other owners | 0 |