G01V 3/00
Electric or magnetic prospecting or detecting
Official title: Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
G01V3/00 (Electric or magnetic prospecting or detecting) appears on 8,917 US grants and 7,985 published applications in this corpus.
Search patents in G01V- Granted patents
- 8,917
- Published applications
- 7,985
- Assignees
- 2,468
- Inventors
- 12,097
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 59 | 0 |
| 1977 | 50 | 0 |
| 1978 | 54 | 0 |
| 1979 | 24 | 0 |
| 1980 | 27 | 0 |
| 1981 | 53 | 0 |
| 1982 | 52 | 0 |
| 1983 | 40 | 0 |
| 1984 | 63 | 0 |
| 1985 | 58 | 0 |
| 1986 | 59 | 0 |
| 1987 | 92 | 0 |
| 1988 | 61 | 0 |
| 1989 | 79 | 0 |
| 1990 | 61 | 0 |
| 1991 | 78 | 0 |
| 1992 | 68 | 0 |
| 1993 | 73 | 0 |
| 1994 | 65 | 0 |
| 1995 | 96 | 0 |
| 1996 | 114 | 0 |
| 1997 | 92 | 0 |
| 1998 | 108 | 0 |
| 1999 | 107 | 0 |
| 2000 | 135 | 0 |
| 2001 | 137 | 34 |
| 2002 | 171 | 120 |
| 2003 | 193 | 211 |
| 2004 | 146 | 209 |
| 2005 | 160 | 201 |
| 2006 | 198 | 195 |
| 2007 | 166 | 174 |
| 2008 | 166 | 234 |
| 2009 | 151 | 272 |
| 2010 | 185 | 307 |
| 2011 | 204 | 258 |
| 2012 | 203 | 246 |
| 2013 | 198 | 360 |
| 2014 | 255 | 385 |
| 2015 | 243 | 474 |
| 2016 | 295 | 509 |
| 2017 | 448 | 515 |
| 2018 | 431 | 530 |
| 2019 | 649 | 505 |
| 2020 | 523 | 438 |
| 2021 | 488 | 433 |
| 2022 | 406 | 340 |
| 2023 | 348 | 325 |
| 2024 | 320 | 291 |
| 2025 | 297 | 238 |
| 2026 | 168 | 181 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01V 3/18Electric or magnetic prospecting or detecting: specially adapted for well-logging3,853
- G01V 3/08Operating with magnetic or electric fields produced or modified by objects or3,369
- G01V 3/15Electric or magnetic prospecting or detecting: specially adapted for use during transport1,252
- G01V 3/38Processing data1,137
- G01V 3/12Operating with electromagnetic waves1,122
- G01V 3/02Operating with propagation of electric current457
- G01V 3/14Operating with electron or nuclear magnetic resonance184
- G01V 3/40Electric or magnetic prospecting or detecting: specially adapted for measuring magnetic field76
All 9 subgroupsShow fewer
Recent patents
- Seal pocket detection assembly6 Oct 2026US 12,754,339 B2FMC Technologies, Inc.
- Methods to perform joint inversion of formation data and joint inversion systems6 Oct 2026US 12,754,340 B2Halliburton Energy Services.Inc.
- Integrity evaluation of nested tubulars of a well system using azimuthal and non-azimuthal information6 Oct 2026US 12,754,341 B2Halliburton Energy Services.Inc.
- Motion effect detection6 Oct 2026US 12,754,342 B2Schlumberger Technology Corporation
- Estimating EM LWD measurement uncertainty using machine learning6 Oct 2026US 12,754,343 B2Schlumberger Technology Corporation
- Integrated Multi-Physics Sensing for Real-Time Look-Ahead While Drilling8 Oct 2026US 2026/0309025 A1
- Downhole sensing based on time domain reflectometry using resistance and capacitance coupling8 Oct 2026US 2026/0309026 A1Halliburton Energy Services.Inc.
- Inversion method and system for hydro-thermal of permafrost coupled insar with ert8 Oct 2026US 2026/0309866 A1Institute of Mountain Hazards and Environment, CAS
- Wall detection instrument8 Oct 2026US 2026/0309888 A1Yongzhou Noyafa Electronic Co., Ltd.
- Contact determination apparatus8 Oct 2026US 2026/0309889 A1Alps Alpine Co., Ltd.
Most cited
By later US patents
- Medical navigation apparatus886US 7,174,202 B2British Telecommunications plc · 2007
- Tracking system to follow the position and orientation of a device with radiofrequency field gradients749US 5,211,165 AGeneral Electric Company · 1993
- Position location system646US 5,913,820 ABritish Telecommunications Public Ltd.Co. · 1999
- Controlling hydrocarbon production609US 10,677,035 B2Saudi Arabian Oil Company · 2020
- Medical instrument location means591US 5,099,845 AMicronix Pty Ltd. · 1992