G01V 3/105
Forming directly coupled primary and secondary coils or loops
Official title: {forming directly coupled primary and secondary coils or loops}
G01V3/105 (Forming directly coupled primary and secondary coils or loops) appears on 284 US grants and 189 published applications in this corpus.
Search patents in G01V- Granted patents
- 284
- Published applications
- 189
- Assignees
- 163
- Inventors
- 451
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 8 | 0 |
| 1982 | 8 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 7 | 0 |
| 1990 | 8 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 7 | 0 |
| 1997 | 8 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 0 |
| 2002 | 4 | 3 |
| 2003 | 3 | 11 |
| 2004 | 5 | 5 |
| 2005 | 3 | 2 |
| 2006 | 4 | 5 |
| 2007 | 3 | 4 |
| 2008 | 3 | 8 |
| 2009 | 1 | 7 |
| 2010 | 7 | 3 |
| 2011 | 5 | 5 |
| 2012 | 4 | 7 |
| 2013 | 2 | 13 |
| 2014 | 4 | 9 |
| 2015 | 4 | 13 |
| 2016 | 10 | 7 |
| 2017 | 11 | 9 |
| 2018 | 8 | 9 |
| 2019 | 8 | 7 |
| 2020 | 14 | 11 |
| 2021 | 10 | 10 |
| 2022 | 5 | 6 |
| 2023 | 9 | 11 |
| 2024 | 7 | 13 |
| 2025 | 8 | 5 |
| 2026 | 8 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sensor device having first induction coil set and second induction coil set for determining position change of metal item29 Sep 2026US 12,748,234 B2Getac Technology Corporation
- Metal detector25 Aug 2026US 12,717,057 B2Tarsacci LLC
- Redundant inductive sensor system and methods30 Jun 2026US 12,669,320 B2Allegro MicroSystems, LLC
- Induction loop for mineral exploration16 Jun 2026US 12,656,517 B2KoBold Metals Company
- Metal detection apparatus with a test device and test device21 Apr 2026US 12,607,765 B2Mettler-Toledo Safeline Ltd.
- Eddy current tip timing sensor used for blade-tip deicing23 Jul 2026US 2026/0208866 A1Rtx Corporation
- Methods and systems for phase sensitive electromagnetic sensing via physically separated transmitter and receiver modules26 Feb 2026US 2026/0056343 A1Battelle Memorial Institute
- Redundant Inductive Sensor System and Methods19 Feb 2026US 2026/0049808 A1Allegro MicroSystems, LLC
- Metal Detector Coil19 Feb 2026US 2026/0050101 A1Minelab Electronics Pty Limited
- Metal Detector19 Feb 2026US 2026/0050103 A1Minelab Electronics Pty Limited
Most cited
By later US patents
- Medical instrument location means591US 5,099,845 AMicronix Pty Ltd. · 1992
- Catheter locating device540US 4,173,228 AApplied Medical Devices, Inc. · 1979
- Catheter depth, position and orientation location system506US 5,425,367 ANavion Biomedical Corporation · 1995
- Method of and apparatus for determining very accurately the position of a device inside biological tissue496US 4,431,005 AMcCormick Laboratories, Inc. · 1984
- Measuring position and orientation using magnetic fields460US 6,073,043 ACorMedica Corporation · 2000