- 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: 455
10-year publication summary
|
40
|
42
|
46
|
43
|
39
|
38
|
37
|
27
|
35
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Radux Devices, LLC | 41 |
22 |
| Bracco Diagnostics Inc. | 106 |
13 |
| Mitsubishi Heavy Industries, Ltd. | 8515 |
10 |
| Egg Medical, Inc. | 34 |
10 |
| Nuctech Company Limited | 1347 |
8 |
| Varian Medical Systems, Inc. | 835 |
8 |
| Nippon Light Metal Company, Ltd. | 650 |
7 |
| Rad Technology Medical Systems LLC | 14 |
7 |
| Westinghouse Electric Company LLC | 1116 |
7 |
| ECO Cath-Lab Systems, Inc. | 10 |
6 |
| Mavig GmbH | 63 |
6 |
| Radiaction Ltd. | 17 |
6 |
| Lemer Pax | 54 |
6 |
| Nippon Fiber Corporation | 33 |
6 |
| Tsinghua University | 5690 |
5 |
| Dexerials Corporation | 1915 |
5 |
| Smiths Heimann GmbH | 143 |
5 |
| University of Tsukuba | 587 |
5 |
| Xyleco, Inc. | 191 |
5 |
| Siemens Healthineers Endovascular Robotics, Inc. | 148 |
5 |
| Other owners | 303 |