G01V 3/087
The earth magnetic field being modified by the objects or geological structures
Official title: {the earth magnetic field being modified by the objects or geological structures}
G01V3/087 (The earth magnetic field being modified by the objects or geological structures) appears on 64 US grants and 50 published applications in this corpus.
Search patents in G01V- Granted patents
- 64
- Published applications
- 50
- Assignees
- 51
- Inventors
- 117
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 2 | 1 |
| 2012 | 3 | 1 |
| 2013 | 0 | 5 |
| 2014 | 1 | 4 |
| 2015 | 3 | 3 |
| 2016 | 3 | 2 |
| 2017 | 1 | 2 |
| 2018 | 1 | 1 |
| 2019 | 5 | 6 |
| 2020 | 5 | 6 |
| 2021 | 9 | 5 |
| 2022 | 3 | 3 |
| 2023 | 3 | 0 |
| 2024 | 2 | 3 |
| 2025 | 3 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Towed apparatus with one or more wings for transverse gradiometer surveying16 Dec 2025US 12,498,502 B2Fnv IP B.V.
- Dual sensed locating systems and methods4 Nov 2025US 12,461,271 B1Seescan, Inc.
- Input multiplexed signal processing apparatus and methods22 Apr 2025US 12,283,755 B1Seescan, Inc.
- Input multiplexed signal processing apparatus and methods13 Feb 2024US 11,901,642 B1Seescan, Inc.
- Buried wellbore location from surface magnetic measurements2 Jan 2024US 11,860,329 B2Scientific Drilling International, Inc.
- Method and device for determining stratum apparaent resistivity based on anti-symmetric square wave9 Jul 2026US 2026/0194682 A1Institute of Geology and Geophysics, Chinese Academy of Sciences
- Towed apparatus with one or more wings for transverse gradiometer surveying12 Mar 2026US 2026/0072194 A1Fnv IP B.V.
- Anomaly detection in an environment or system11 Dec 2025US 2025/0377417 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Towed apparatus with one or more wings for transverse gradiometer surveying5 Dec 2024US 2024/0402378 A1Fnv IP B.V.
- System and method for generating magnetism data14 Nov 2024US 2024/0377218 A1HERE Global B. V.
Most cited
By later US patents
- Magnetometer accuracy and use61US 7,891,103 B2Apple Inc. · 2011
- Method for detecting the presence of a ferromagnetic object using maximum and minimum magnetic field data45US 6,150,810 ABechtel BWXT Idaho, LLC · 2000
- Method and apparatus for analyzing traffic and a sensor therefor44US 5,877,705 ANu-Metrics, Inc. · 1999
- Ferromagnetic metal detector utilizing gradiometers positioned on opposite sides of the detection area with overlapping sensitivity39US 3,971,983 AInfinetics, Inc. · 1976
- Magnetometer accuracy and use35US 8,061,049 B2Apple Inc. · 2011