- 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: 210
10-year publication summary
20
|
17
|
11
|
17
|
24
|
13
|
10
|
19
|
7
|
3
|
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 | 10530 |
13 |
Schlumberger Canada Limited | 7163 |
8 |
Halliburton Energy Services, Inc. | 20649 |
8 |
Adelphi Technology, Inc. | 16 |
8 |
Shine Technologies, LLC | 124 |
8 |
Schlumberger Technology B.v. | 5122 |
7 |
Schlumberger Holdings Limited | 2850 |
7 |
Prad Research and Development Limited | 2695 |
7 |
Services Petroliers Schlumberger | 5715 |
7 |
Tae Technologies, Inc. | 234 |
6 |
Phoenix LLC | 22 |
5 |
Neuboron Therapy System Ltd. | 109 |
5 |
Neutron Therapeutics LLC | 16 |
5 |
Lawrence Livermore National Security, LLC | 1905 |
4 |
Riken | 1685 |
4 |
The Trustees of Princeton University | 1190 |
4 |
Westinghouse Electric Company LLC | 1125 |
4 |
Joint Stock Company "akme-engineering" | 67 |
3 |
Starfire Industries, LLC | 39 |
3 |
Other owners | 80 |