- All sections
- G - Physics
- G01V - Geophysics; gravitational measurements; detecting masses or objects; tags
- G01V 5/04 - Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
Patent holdings for IPC class G01V 5/04
Total number of patents in this class: 899
10-year publication summary
|
61
|
70
|
58
|
43
|
27
|
26
|
25
|
35
|
26
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20165 |
123 |
| Schlumberger Technology Corporation | 9690 |
118 |
| Schlumberger Canada Limited | 6913 |
76 |
| Baker Hughes Incorporated | 5689 |
72 |
| Services Petroliers Schlumberger | 5426 |
71 |
| Schlumberger Technology B.v. | 4951 |
65 |
| Schlumberger Holdings Limited | 2947 |
56 |
| Prad Research and Development Limited | 2696 |
56 |
| Saudi Arabian Oil Company | 11322 |
19 |
| Baker Hughes Oilfield Operations, LLC | 1885 |
12 |
| Saint-Gobain Ceramics & Plastics, Inc. | 812 |
11 |
| ExxonMobil Upstream Research Company | 2525 |
10 |
| Nabors Drilling Technologies USA, Inc. | 533 |
8 |
| Baker Hughes, a GE Company, LLC | 2171 |
7 |
| Weatherford Technology Holdings, LLC | 2135 |
6 |
| Aramco Services Company | 3504 |
6 |
| CBG Corporation | 13 |
6 |
| Ideon Technologies Inc. | 22 |
6 |
| Chevron U.S.A. Inc. | 3774 |
5 |
| China Petroleum & Chemical Corporation | 1623 |
5 |
| Other owners | 161 |