- All sections
- G - Physics
- G21C - Nuclear reactors
- G21C 15/18 - Emergency cooling arrangementsRemoving shut-down heat
Patent holdings for IPC class G21C 15/18
Total number of patents in this class: 712
10-year publication summary
|
49
|
52
|
56
|
35
|
46
|
44
|
64
|
37
|
42
|
28
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE-Hitachi Nuclear Energy Americas LLC | 430 |
62 |
| Korea Atomic Energy Research Institute | 436 |
54 |
| Korea Hydro & Nuclear Power Co., Ltd. | 467 |
38 |
| Westinghouse Electric Company LLC | 1149 |
30 |
| China Nuclear Power Engineering Co., Ltd. | 253 |
26 |
| NuScale Power, LLC | 277 |
25 |
| Mitsubishi Heavy Industries, Ltd. | 8777 |
23 |
| BWXT Mpower, Inc. | 156 |
23 |
| China General Nuclear Power Corporation | 284 |
23 |
| CGN Power Co., Ltd | 316 |
20 |
| China Nuclear Power Technology Research Institute Co., Ltd. | 214 |
19 |
| SMR Inventec, LLC | 48 |
17 |
| Shanghai Nuclear Engineering Research & Design Institute Co., Ltd. | 78 |
17 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10936 |
16 |
| Terrapower, LLC | 329 |
15 |
| Hitachi-GE Nuclear Energy, Ltd. | 284 |
12 |
| Joint Stock Company "atomenergoproekt" | 91 |
12 |
| Toshiba Corporation | 12397 |
11 |
| King Abdullah City for Atomic and Renewable Energy | 20 |
10 |
| DCNS | 95 |
9 |
| Other owners | 250 |