- All sections
- G - Physics
- G21F - Protection against x-radiation, gamma radiation, corpuscular radiation or particle bombardment; treating radioactively contaminated material; decontamination arrangements therefor
- G21F 3/00 - Shielding characterised by its physical form, e.g. granules, or shape of the material
Patent holdings for IPC class G21F 3/00
Total number of patents in this class: 430
10-year publication summary
|
24
|
40
|
42
|
46
|
43
|
39
|
38
|
37
|
27
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Radux Devices, LLC | 40 |
20 |
| Bracco Diagnostics Inc. | 111 |
13 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
10 |
| Egg Medical, Inc. | 27 |
9 |
| Varian Medical Systems, Inc. | 850 |
8 |
| Nippon Light Metal Company, Ltd. | 645 |
7 |
| Nuctech Company Limited | 1275 |
7 |
| Westinghouse Electric Company LLC | 1087 |
7 |
| ECO Cath-Lab Systems, Inc. | 11 |
6 |
| Mavig GmbH | 65 |
6 |
| Rad Technology Medical Systems LLC | 13 |
6 |
| Radiaction Ltd. | 16 |
6 |
| Xyleco, Inc. | 217 |
6 |
| Corindus, Inc. | 181 |
5 |
| Smiths Heimann GmbH | 147 |
5 |
| Lemer Pax | 43 |
5 |
| Koninklijke Philips N.V. | 22975 |
4 |
| Lockheed Martin Corporation | 3406 |
4 |
| Tsinghua University | 5426 |
4 |
| Korea Hydro & Nuclear Power Co., Ltd. | 383 |
4 |
| Other owners | 288 |