- All sections
- G - Physics
- G21C - Nuclear reactors
- G21C 19/20 - Arrangements for introducing objects into the pressure vessel; Arrangements for handling objects within the pressure vessel; Arrangements for removing objects from the pressure vessel
Patent holdings for IPC class G21C 19/20
Total number of patents in this class: 334
10-year publication summary
|
32
|
25
|
26
|
37
|
18
|
25
|
23
|
33
|
23
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Westinghouse Electric Company LLC | 1087 |
46 |
| GE-Hitachi Nuclear Energy Americas LLC | 406 |
40 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
23 |
| Terrapower, LLC | 315 |
16 |
| NuScale Power, LLC | 236 |
15 |
| Framatome Inc. | 55 |
12 |
| Rolls-Royce SMR Limited | 49 |
11 |
| BWXT Mpower, Inc. | 157 |
10 |
| Toshiba Corporation | 12017 |
9 |
| Candu Energy Inc. | 47 |
8 |
| Areva NP | 228 |
7 |
| Framatome GmbH | 246 |
7 |
| Framatome | 155 |
6 |
| Tsinghua University | 5426 |
5 |
| Atomic Energy of Canada Limited | 132 |
5 |
| Framatome ANP | 77 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
4 |
| AREVA Inc. | 30 |
4 |
| ATS Automation Tooling Systems Inc. | 150 |
4 |
| Electricite de France | 695 |
4 |
| Other owners | 93 |