- All sections
- G - Physics
- G01V - Geophysics; gravitational measurements; detecting masses or objects; tags
- G01V 3/30 - Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation specially adapted for well-logging operating with electromagnetic waves
Patent holdings for IPC class G01V 3/30
Total number of patents in this class: 917
10-year publication summary
61
|
85
|
67
|
76
|
88
|
56
|
58
|
43
|
38
|
14
|
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 |
223 |
Schlumberger Technology Corporation | 9690 |
113 |
Saudi Arabian Oil Company | 11322 |
61 |
Schlumberger Canada Limited | 6913 |
49 |
Baker Hughes Incorporated | 5689 |
45 |
Schlumberger Technology B.v. | 4951 |
44 |
Services Petroliers Schlumberger | 5426 |
44 |
Schlumberger Holdings Limited | 2947 |
22 |
Baker Hughes, a GE Company, LLC | 2171 |
20 |
Prad Research and Development Limited | 2696 |
17 |
Baker Hughes Oilfield Operations, LLC | 1885 |
15 |
Aramco Services Company | 3504 |
14 |
Well Resolutions Technology | 33 |
13 |
Oliden Technology, LLC | 46 |
12 |
China National Petroleum Corporation | 245 |
9 |
Baker Hughes Holdings LLC | 3060 |
9 |
Chevron U.S.A. Inc. | 3774 |
8 |
China Petroleum & Chemical Corporation | 1623 |
7 |
ExxonMobil Upstream Research Company | 2525 |
7 |
Bench Tree Group, LLC | 63 |
6 |
Other owners | 179 |