- All sections
- G - Physics
- G21C - Nuclear reactors
- G21C 15/18 - Emergency cooling arrangements; Removing shut-down heat
Patent holdings for IPC class G21C 15/18
Total number of patents in this class: 646
10-year publication summary
|
55
|
55
|
56
|
62
|
40
|
51
|
51
|
63
|
36
|
9
|
| 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 |
57 |
| Korea Atomic Energy Research Institute | 418 |
51 |
| Korea Hydro & Nuclear Power Co., Ltd. | 383 |
31 |
| Westinghouse Electric Company LLC | 1087 |
30 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
23 |
| BWXT Mpower, Inc. | 157 |
23 |
| NuScale Power, LLC | 236 |
23 |
| China Nuclear Power Engineering Co., Ltd. | 211 |
22 |
| China General Nuclear Power Corporation | 244 |
21 |
| CGN Power Co., Ltd | 256 |
18 |
| China Nuclear Power Technology Research Institute Co., Ltd. | 151 |
17 |
| SMR Inventec, LLC | 47 |
16 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
13 |
| Hitachi-GE Nuclear Energy, Ltd. | 261 |
12 |
| Terrapower, LLC | 315 |
12 |
| Toshiba Corporation | 12017 |
11 |
| Joint Stock Company "atomenergoproekt" | 78 |
11 |
| King Abdullah City for Atomic and Renewable Energy | 20 |
10 |
| Shanghai Nuclear Engineering Research & Design Institute Co., Ltd. | 46 |
10 |
| DCNS | 97 |
9 |
| Other owners | 226 |