G01R 27/267
Coils or antennae arrangements
Official title: {Coils or antennae arrangements, e.g. coils surrounding the sample or transmitter/receiver antennae}
G01R27/267 (Coils or antennae arrangements) appears on 31 US grants and 21 published applications in this corpus.
Search patents in G01R- Granted patents
- 31
- Published applications
- 21
- Assignees
- 33
- Inventors
- 62
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 2 | 1 |
| 2017 | 1 | 3 |
| 2018 | 3 | 2 |
| 2019 | 3 | 3 |
| 2020 | 1 | 4 |
| 2021 | 4 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Sensor apparatus and water amount measurement apparatus20 May 2025US 12,306,115 B2Sony Group Corporation
- Inductive sensor and method for the operation thereof14 Nov 2023US 11,815,537 B2Balluff GmbH
- Oscillation sensor with calibration unit and measurement device24 Aug 2021US 11,101,797 B2Pepperl + Fuchs GmbH
- Non-contact type measuring apparatus for conductivity and permittivity of non-conductive fluid using RF signal13 Jul 2021US 11,061,057 B2MultiPath Co., Ltd.
- Oscillation sensor with calibration unit and measurement device1 Jun 2021US 11,025,250 B2Pepperl + Fuchs GmbH
- Oil state detection apparatus7 Aug 2025US 2025/0251358 A1Pillar Corporation
- Metasurface for Complex Permittivity Characterization of Dielectric Materials and the Use thereof8 Aug 2024US 2024/0264094 A1Georgia Tech Research Corporation
- Sensor apparatus and water amount measurement apparatus5 Jan 2023US 2023/0003668 A1Sony Group Corporation
- Inductive sensor and method for the operation thereof13 Aug 2020US 2020/0256907 A1Balluff GmbH
- Oscillation sensor with calibration unit and measurement device30 Apr 2020US 2020/0136615 A1Pepperl + Fuchs GmbH
Most cited
By later US patents
- Timed dielectrometry surveillance method and apparatus52US 4,975,968 ASpatial Dynamics, Ltd. · 1990
- ID microwave holographic sensor49US 5,327,139 AThe Boeing Company · 1994
- Electromagnetic inductive probe43US 5,793,214 AHewlett-Packard Company · 1998
- Resonant phase sensing of resistive-inductive-capacitive sensors19US 10,908,200 B2Cirrus Logic, Inc. · 2021
- Radio frequency apparatus for measuring moisture content of materials as a function of dielectric constant18US 4,468,610 APenril Corp. · 1984