- All sections
- G - Physics
- G21C - Nuclear reactors
- G21C 19/20 - Arrangements for introducing objects into the pressure vesselArrangements for handling objects within the pressure vesselArrangements for removing objects from the pressure vessel
Patent holdings for IPC class G21C 19/20
Total number of patents in this class: 388
10-year publication summary
|
27
|
37
|
18
|
26
|
25
|
37
|
25
|
25
|
18
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Westinghouse Electric Company LLC | 1185 |
52 |
| GE-Hitachi Nuclear Energy Americas LLC | 446 |
40 |
| Mitsubishi Heavy Industries, Ltd. | 9042 |
23 |
| Terrapower, LLC | 348 |
19 |
| NuScale Power, LLC | 299 |
17 |
| Rolls-Royce SMR Limited | 56 |
15 |
| Candu Energy Inc. | 67 |
14 |
| Framatome Inc. | 58 |
14 |
| BWXT Mpower, Inc. | 158 |
10 |
| Toshiba Corporation | 12700 |
9 |
| Areva NP | 202 |
7 |
| Framatome GmbH | 251 |
7 |
| ATS Corporation | 189 |
7 |
| Electricite de France | 749 |
6 |
| Framatome | 197 |
6 |
| Tsinghua University | 6121 |
5 |
| Atomic Energy of Canada Limited | 130 |
5 |
| Framatome ANP | 96 |
5 |
| Global Nuclear Fuel - Americas, LLC | 45 |
5 |
| Korea Hydro & Nuclear Power Co., Ltd. | 533 |
5 |
| Other owners | 117 |