- All sections
- G - Physics
- G21C - Nuclear reactors
- G21C 9/04 - Means for suppressing fires
Patent holdings for IPC class G21C 9/04
Total number of patents in this class: 48
10-year publication summary
|
4
|
5
|
4
|
4
|
1
|
6
|
1
|
7
|
6
|
2
|
| 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 |
13 |
| Holtec International, Inc. | 277 |
4 |
| Korea Hydro & Nuclear Power Co., Ltd. | 565 |
4 |
| NuScale Power, LLC | 310 |
4 |
| SMR Inventec, LLC | 48 |
3 |
| Terrapower, LLC | 361 |
3 |
| Mu Concept | 3 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 9168 |
2 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3272 |
2 |
| Areva NP | 200 |
1 |
| KEPCO Engineering & Construction Company, Inc. | 79 |
1 |
| Korea Atomic Energy Research Institute | 464 |
1 |
| National University Corporation Hokkaido University | 1375 |
1 |
| National University of Corporation Hiroshima University | 20 |
1 |
| Taiheiyo Cement Corporation | 244 |
1 |
| Triad National Security, LLC | 636 |
1 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6169 |
1 |
| King Abdullah City for Atomic and Renewable Energy | 20 |
1 |
| Smarteck E&C | 1 |
1 |
| Other owners | 0 |