- All sections
- G - Physics
- G21G - Conversion of chemical elementsradioactive sources
- G21G 4/02 - Neutron sources
Patent holdings for IPC class G21G 4/02
Total number of patents in this class: 222
10-year publication summary
|
16
|
16
|
11
|
15
|
23
|
13
|
11
|
15
|
7
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Neuboron Medtech Ltd. | 93 |
14 |
| Schlumberger Technology Corporation | 10949 |
13 |
| Shine Technologies, LLC | 143 |
10 |
| Halliburton Energy Services, Inc. | 21002 |
9 |
| Schlumberger Canada Limited | 7396 |
8 |
| Adelphi Technology, Inc. | 16 |
8 |
| Schlumberger Technology B.v. | 5201 |
7 |
| Schlumberger Holdings Limited | 2799 |
7 |
| Prad Research and Development Limited | 2690 |
7 |
| Services Petroliers Schlumberger | 5850 |
7 |
| Phoenix LLC | 25 |
6 |
| Tae Technologies, Inc. | 241 |
6 |
| Westinghouse Electric Company LLC | 1156 |
5 |
| Neuboron Therapy System Ltd. | 117 |
5 |
| Neutron Therapeutics LLC | 16 |
5 |
| Lawrence Livermore National Security, LLC | 1942 |
4 |
| Riken | 1689 |
4 |
| The Trustees of Princeton University | 1206 |
4 |
| Joint Stock Company "akme-engineering" | 67 |
3 |
| Starfire Industries, LLC | 38 |
3 |
| Other owners | 87 |