- All sections
- G - Physics
- G21C - Nuclear reactors
- G21C 9/004 - Pressure suppression
Patent holdings for IPC class G21C 9/004
Total number of patents in this class: 124
10-year publication summary
|
19
|
13
|
10
|
10
|
9
|
6
|
2
|
9
|
4
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi-GE Nuclear Energy, Ltd. | 261 |
14 |
| GE-Hitachi Nuclear Energy Americas LLC | 406 |
13 |
| Framatome GmbH | 246 |
9 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
7 |
| Toshiba Corporation | 12017 |
6 |
| Korea Atomic Energy Research Institute | 418 |
6 |
| SMR Inventec, LLC | 47 |
6 |
| Areva GmbH | 90 |
5 |
| BWXT Mpower, Inc. | 157 |
5 |
| Westinghouse Electric Company LLC | 1087 |
5 |
| Joint-Stock Company Scientific Research and Design Institute for Energy Technologies Atomproekt | 26 |
4 |
| Rolls-Royce SMR Limited | 49 |
4 |
| DCNS | 97 |
3 |
| DCNS SA | 107 |
3 |
| Rasa Industries, Ltd. | 19 |
3 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
3 |
| AREVA Inc. | 30 |
2 |
| Babcock & Wilcox Mpower, Inc. | 55 |
2 |
| Korea Hydro & Nuclear Power Co., Ltd. | 383 |
2 |
| NuScale Power, LLC | 236 |
2 |
| Other owners | 20 |