- All sections
- G - Physics
- G21C - Nuclear reactors
- G21C 19/40 - Arrangements for preventing occurrence of critical conditions, e.g. during storage
Patent holdings for IPC class G21C 19/40
Total number of patents in this class: 92
10-year publication summary
|
13
|
7
|
7
|
3
|
4
|
8
|
6
|
9
|
5
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Holtec International, Inc. | 271 |
26 |
| Westinghouse Electric Company LLC | 1156 |
9 |
| GE-Hitachi Nuclear Energy Americas LLC | 430 |
6 |
| NuScale Power, LLC | 276 |
6 |
| TN International | 69 |
4 |
| Areva GmbH | 90 |
3 |
| Curtiss-Wright Flow Control Corporation | 47 |
3 |
| Orano Nuclear Packages and Services | 54 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10964 |
2 |
| Korea Atomic Energy Research Institute | 443 |
2 |
| NAC International, Inc. | 45 |
2 |
| The Research Foundation for The State University of New York | 1648 |
2 |
| TN Americas LLC | 21 |
2 |
| National Technology & Engineering Solutions of Sandia, LLC | 1911 |
2 |
| Framatome GmbH | 255 |
2 |
| Rolls-Royce SMR Limited | 54 |
2 |
| 3m Innovative Properties Company | 17755 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8832 |
1 |
| Toshiba Corporation | 12516 |
1 |
| Rolls-Royce PLC | 3140 |
1 |
| Other owners | 12 |