- All sections
- G - Physics
- G21F - Protection against x-radiation, gamma radiation, corpuscular radiation or particle bombardmenttreating radioactively contaminated materialdecontamination arrangements therefor
- G21F 9/28 - Treating solids
Patent holdings for IPC class G21F 9/28
Total number of patents in this class: 273
10-year publication summary
|
17
|
15
|
24
|
17
|
19
|
17
|
13
|
5
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Commissariat à l'énergie atomique et aux energies alternatives | 10693 |
13 |
| Framatome GmbH | 252 |
10 |
| Joint Stock Company "rosenergoatom" | 84 |
9 |
| Deep Isolation, Inc. | 64 |
8 |
| Areva NP GmbH | 72 |
7 |
| Holtec International, Inc. | 269 |
6 |
| Taiheiyo Cement Corporation | 237 |
6 |
| Joint Stock Company "science and Innovations" | 74 |
6 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6243 |
6 |
| SCHREIBER, Sylvia | 7 |
6 |
| Hitachi-GE Nuclear Energy, Ltd. | 273 |
5 |
| Areva GmbH | 90 |
4 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 361 |
4 |
| Ukima Chemicals & Color Mfg. Co., Ltd. | 28 |
4 |
| Westinghouse Electric Company LLC | 1115 |
4 |
| Siempelkamp NIS Ingenieurgesellschaft mbH | 10 |
4 |
| Agence Nationale pour La Gestion des Dechets Radioactifs | 49 |
3 |
| Dominion Engineering, Inc. | 32 |
3 |
| Forschungszentrum Julich GmbH | 617 |
3 |
| Korea Atomic Energy Research Institute | 426 |
3 |
| Other owners | 159 |