- All sections
- G - Physics
- G21F - Protection against x-radiation, gamma radiation, corpuscular radiation or particle bombardmenttreating radioactively contaminated materialdecontamination 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: 510
10-year publication summary
|
42
|
46
|
43
|
39
|
38
|
37
|
27
|
38
|
41
|
30
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Radux Devices, LLC | 39 |
23 |
| Bracco Diagnostics Inc. | 105 |
13 |
| Egg Medical, Inc. | 39 |
12 |
| Rampart IC, Inc | 42 |
11 |
| Mitsubishi Heavy Industries, Ltd. | 9172 |
10 |
| Nuctech Company Limited | 1478 |
10 |
| Radiaction Ltd. | 20 |
8 |
| Varian Medical Systems, Inc. | 916 |
8 |
| Lemer Pax | 80 |
8 |
| Tsinghua University | 6238 |
7 |
| ECO Cath-Lab Systems, Inc. | 11 |
7 |
| Nippon Light Metal Company, Ltd. | 685 |
7 |
| Rad Technology Medical Systems LLC | 14 |
7 |
| Westinghouse Electric Company LLC | 1198 |
7 |
| Nippon Fiber Corporation | 39 |
7 |
| Koninklijke Philips N.V. | 25978 |
6 |
| Mavig GmbH | 86 |
6 |
| University of Tsukuba | 634 |
6 |
| Dexerials Corporation | 2005 |
5 |
| Korea Hydro & Nuclear Power Co., Ltd. | 567 |
5 |
| Other owners | 337 |