- All sections
- G - Physics
- G21F - Protection against x-radiation, gamma radiation, corpuscular radiation or particle bombardmenttreating radioactively contaminated materialdecontamination arrangements therefor
- G21F 5/04 - Means for controlling exposure, e.g. time, size of aperture
Patent holdings for IPC class G21F 5/04
Total number of patents in this class: 23
10-year publication summary
|
2
|
1
|
1
|
0
|
0
|
0
|
3
|
5
|
3
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bayer HealthCare LLC | 1303 |
2 |
| Endress+Hauser GmbH+Co. KG | 430 |
2 |
| Holtec International, Inc. | 277 |
2 |
| QSA Global Inc. | 77 |
2 |
| Illinois Tool Works Inc. | 11862 |
1 |
| Advanced Fusion Systems LLC | 68 |
1 |
| The Aerospace Corporation | 419 |
1 |
| Contemporary Amperex Technology Co., Limited | 10216 |
1 |
| MASEP Medical Science & Technology Development (Shenzhen) Co., Ltd. | 5 |
1 |
| MOXTEK, Inc. | 224 |
1 |
| NAC International, Inc. | 51 |
1 |
| NorthStar Medical Radioisotopes LLC | 17 |
1 |
| Nuctech Company Limited | 1479 |
1 |
| Universidad de Cadiz | 117 |
1 |
| Vega Americas, Inc. | 27 |
1 |
| Yokogawa Electric Corporation | 1925 |
1 |
| INA Medical Development Laboratory Co., Ltd. | 2 |
1 |
| Endress+Hauser Se+co.kg | 378 |
1 |
| Calidar, Inc. | 9 |
1 |
| Other owners | 0 |