- All sections
- G - Physics
- G01V - Geophysicsgravitational measurementsdetecting masses or objectstags
- G01V 3/04 - Electric or magnetic prospecting or detectingMeasuring magnetic field characteristics of the earth, e.g. declination or deviation operating with propagation of electric current using DC
Patent holdings for IPC class G01V 3/04
Total number of patents in this class: 34
10-year publication summary
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2
|
1
|
1
|
5
|
4
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2
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3
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3
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4
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shandong University | 1151 |
3 |
| Seescan, Inc. | 568 |
2 |
| Zircon Corporation | 95 |
2 |
| Obschestvo S Ogranichennoj Otvetstvennostju "nauchno-tehnicheskaja Kompanija Zavet-geo" | 2 |
2 |
| John Lemke | 2 |
2 |
| Apple Inc. | 58705 |
1 |
| Schlumberger Technology Corporation | 11798 |
1 |
| Baker Hughes Incorporated | 4940 |
1 |
| China University of Mining and Technology | 1308 |
1 |
| Magna Closures Inc. | 409 |
1 |
| Ocean Floor Geophysics, Inc. | 13 |
1 |
| Oceaneering International, Inc. | 401 |
1 |
| QinetiQ Limited | 509 |
1 |
| Rheinisch-Westfaelische Technische Hochschule Aachen | 13 |
1 |
| Richtek Technology Corp. | 672 |
1 |
| Technion Research & Development Foundation Ltd. | 1260 |
1 |
| WesternGeco L.L.C. | 546 |
1 |
| Yuugen Kaisha Chikentansa Gijutsukenkyusho | 1 |
1 |
| Zhejiang University | 3441 |
1 |
| Brgm | 32 |
1 |
| Other owners | 8 |