- 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: 134
10-year publication summary
|
10
|
10
|
9
|
6
|
3
|
9
|
5
|
7
|
6
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE-Hitachi Nuclear Energy Americas LLC | 453 |
14 |
| Hitachi GE Vernova Nuclear Energy, Ltd. | 176 |
10 |
| Mitsubishi Heavy Industries, Ltd. | 9188 |
7 |
| Hitachi-GE Nuclear Energy, Ltd. | 133 |
7 |
| Korea Atomic Energy Research Institute | 463 |
7 |
| SMR Inventec, LLC | 48 |
7 |
| Framatome GmbH | 254 |
6 |
| Rolls-Royce SMR Limited | 58 |
6 |
| Toshiba Corporation | 12660 |
5 |
| Areva GmbH | 90 |
5 |
| BWXT Mpower, Inc. | 159 |
5 |
| Westinghouse Electric Company LLC | 1199 |
5 |
| Korea Hydro & Nuclear Power Co., Ltd. | 567 |
4 |
| NuScale Power, LLC | 310 |
4 |
| DCNS | 95 |
3 |
| DCNS SA | 73 |
3 |
| Rasa Industries, Ltd. | 24 |
3 |
| Joint-Stock Company Scientific Research and Design Institute for Energy Technologies Atomproekt | 21 |
3 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6162 |
3 |
| Abilene Christian University, DBA ACU | 86 |
2 |
| Other owners | 25 |