- All sections
- G - Physics
- G21C - Nuclear reactors
- G21C 3/344 - Spacer grids formed of assembled tubular elements
Patent holdings for IPC class G21C 3/344
Total number of patents in this class: 17
10-year publication summary
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0
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3
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0
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0
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2
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1
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1
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0
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1
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Westinghouse Electric Sweden AB | 100 |
4 |
| Westinghouse Electric Company LLC | 1181 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11010 |
2 |
| KEPCO Nuclear Fuel Co., Ltd. | 144 |
2 |
| Nordion (Canada) Inc. | 7 |
2 |
| Hitachi, Ltd. | 15895 |
1 |
| Global Nuclear Fuel - Americas, LLC | 45 |
1 |
| Nordion (Canada) Inc. | 24 |
1 |
| Otkritoye Akcionernoe Obshchestvo "mashinostroitelny Zavod" | 6 |
1 |
| Other owners | 0 |