- All sections
- G - Physics
- G21F - Protection against x-radiation, gamma radiation, corpuscular radiation or particle bombardmenttreating radioactively contaminated materialdecontamination arrangements therefor
- G21F 9/34 - Disposal of solid waste
Patent holdings for IPC class G21F 9/34
Total number of patents in this class: 226
10-year publication summary
|
17
|
23
|
12
|
27
|
31
|
25
|
15
|
24
|
10
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Deep Isolation, Inc. | 73 |
45 |
| Holtec International, Inc. | 277 |
43 |
| Grand Abyss, LLC | 10 |
8 |
| Joint Stock Company "science and Innovations" | 65 |
6 |
| Joint Stock Company "rosenergoatom" | 70 |
6 |
| Agence Nationale pour La Gestion des Dechets Radioactifs | 50 |
5 |
| KEPCO Nuclear Fuel Co., Ltd. | 148 |
4 |
| SOLETANCHE FREYSSINET, société par actions simplifiée | 37 |
3 |
| Korea Radioactive Waste Agency | 28 |
3 |
| Green-land S.r.l. | 3 |
3 |
| Schlumberger Technology Corporation | 11857 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11130 |
2 |
| Areva NC | 114 |
2 |
| Australian Nuclear Science and Technology Organisation | 68 |
2 |
| DC Co., Ltd. | 6 |
2 |
| GE-Hitachi Nuclear Energy Americas LLC | 454 |
2 |
| Gunma University | 12 |
2 |
| Korea Atomic Energy Research Institute | 463 |
2 |
| Korea Hydro & Nuclear Power Co., Ltd. | 565 |
2 |
| NAC International, Inc. | 51 |
2 |
| Other owners | 80 |