- All sections
- G - Physics
- G21C - Nuclear reactors
- G21C 19/28 - Arrangements for introducing fluent material into the reactor core; Arrangements for removing fluent material from the reactor core
Patent holdings for IPC class G21C 19/28
Total number of patents in this class: 85
10-year publication summary
|
12
|
8
|
8
|
8
|
4
|
4
|
2
|
1
|
3
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE-Hitachi Nuclear Energy Americas LLC | 406 |
12 |
| Terrapower, LLC | 315 |
8 |
| Westinghouse Electric Company LLC | 1087 |
7 |
| BWXT Mpower, Inc. | 157 |
4 |
| Framatome GmbH | 246 |
4 |
| Toshiba Corporation | 12017 |
3 |
| Babcock & Wilcox Nuclear Energy, Inc. | 21 |
3 |
| Terrestrial Energy Inc. | 22 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
2 |
| Areva GmbH | 90 |
2 |
| Global Nuclear Fuel - Americas, LLC | 55 |
2 |
| Hitachi-GE Nuclear Energy, Ltd. | 261 |
2 |
| Nuccorp, Inc. | 5 |
2 |
| NuScale Power, LLC | 236 |
2 |
| Alpha Tech Research Corp | 11 |
2 |
| Rolls-Royce PLC | 2944 |
1 |
| Battelle Energy Alliance, LLC | 569 |
1 |
| AREVA Inc. | 30 |
1 |
| Babcock & Wilcox Canada Ltd. | 8 |
1 |
| Babcock & Wilcox Power Generation Group, Inc. | 33 |
1 |
| Other owners | 22 |