- 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: 363
10-year publication summary
|
25
|
24
|
31
|
18
|
23
|
24
|
32
|
22
|
22
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Westinghouse Electric Company LLC | 1143 |
50 |
| GE-Hitachi Nuclear Energy Americas LLC | 430 |
40 |
| Mitsubishi Heavy Industries, Ltd. | 8764 |
23 |
| Terrapower, LLC | 329 |
19 |
| NuScale Power, LLC | 277 |
17 |
| Framatome Inc. | 48 |
14 |
| Rolls-Royce SMR Limited | 54 |
14 |
| Candu Energy Inc. | 54 |
11 |
| BWXT Mpower, Inc. | 156 |
10 |
| Toshiba Corporation | 12376 |
9 |
| Areva NP | 214 |
7 |
| Framatome GmbH | 252 |
7 |
| Framatome | 189 |
6 |
| Tsinghua University | 5938 |
5 |
| Atomic Energy of Canada Limited | 130 |
5 |
| Framatome ANP | 90 |
5 |
| Global Nuclear Fuel - Americas, LLC | 49 |
5 |
| ATS Corporation | 168 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10931 |
4 |
| AREVA Inc. | 30 |
4 |
| Other owners | 103 |