G01V 3/081
The magnetic field is produced by the objects or geological structures
Official title: {the magnetic field is produced by the objects or geological structures (characterised by the method of magnetic field measurement G01R33/00)}
G01V3/081 (The magnetic field is produced by the objects or geological structures) appears on 669 US grants and 640 published applications in this corpus.
Search patents in G01V- Granted patents
- 669
- Published applications
- 640
- Assignees
- 345
- Inventors
- 1,140
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 8 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 11 | 3 |
| 2002 | 13 | 6 |
| 2003 | 18 | 17 |
| 2004 | 12 | 16 |
| 2005 | 10 | 10 |
| 2006 | 17 | 22 |
| 2007 | 17 | 11 |
| 2008 | 18 | 18 |
| 2009 | 13 | 20 |
| 2010 | 17 | 21 |
| 2011 | 18 | 19 |
| 2012 | 11 | 21 |
| 2013 | 18 | 17 |
| 2014 | 16 | 33 |
| 2015 | 16 | 28 |
| 2016 | 20 | 30 |
| 2017 | 27 | 43 |
| 2018 | 40 | 34 |
| 2019 | 50 | 46 |
| 2020 | 46 | 40 |
| 2021 | 49 | 43 |
| 2022 | 39 | 41 |
| 2023 | 40 | 30 |
| 2024 | 33 | 29 |
| 2025 | 30 | 25 |
| 2026 | 15 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method smart stand-alone multi-sensor gateway for detection of person-borne threats18 Aug 2026US 12,710,560 B2Xtract One Technologies Inc.
- System and method of tracking an object that is at least partly buried in seabed7 Jul 2026US 12,674,908 B2Kongsberg Discovery AS
- Autonomous driving control system and autonomous driving control method9 Jun 2026US 12,650,697 B2Integral Geometry Science Inc.
- Utility locating devices employing multiple spaced apart GNSS antennas2 Jun 2026US 12,644,994 B1Seescan, Inc.
- Tracked distance measuring devices, systems, and methods19 May 2026US 12,631,780 B1Seescan, Inc.
- Frequency selection optimization in locating a utility line1 Oct 2026US 2026/0299156 A1The Charles Machine Works, Inc.
- Method for determining properties of underground karst cave17 Sep 2026US 2026/0276856 A1Institute of Geology and Geophysics, Chinese Academy of Sciences
- Systems and methods for identifying marine unexploded ordinance (uxo)16 Jul 2026US 2026/0202182 A1Fnv IP B.V.
- System and method for weapon detection16 Jul 2026US 2026/0203847 A1Emtech Space P.C. (Cy) Ltd.
- Non-invasive characterization of wells11 Jun 2026US 2026/0160917 A1Halliburton Energy Services.Inc.
Most cited
By later US patents
- Apparatus and method for locating a medical tube in the body of a patient505US 5,425,382 AUniversity of Washington · 1995
- Apparatus and method for locating a medical tube in the body of a patient426US 5,622,169 AUniversity of Washington · 1997
- Medical magnetic positioning system and method for determining the position of a magnetic probe299US 5,762,064 ANorthrop Grumman Corporation · 1998
- Method for near field electromagnetic proximity determination for guidance of a borehole drill247US 5,923,170 AVector Magnetics, Inc. · 1999
- Multi-sensor mapping omnidirectional sonde and line locator208US 7,443,154 B1SeekTech, Inc. · 2008