G01L 9/0004
Using variations in inductance
Official title: {using variations in inductance (G01L9/007 takes precedence)}
G01L9/0004 (Using variations in inductance) appears on 30 US grants and 19 published applications in this corpus.
Search patents in G01L- Granted patents
- 30
- Published applications
- 19
- Assignees
- 32
- Inventors
- 74
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 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 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 4 |
| 2021 | 2 | 4 |
| 2022 | 5 | 2 |
| 2023 | 1 | 1 |
| 2024 | 2 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Intraocular pressure sensor23 Jun 2026US 12,661,007 B2Board of Trustees of Michigan State University
- Sensor with variation in impedance or inductance following a variation of a measurand6 Feb 2024US 11,892,489 B2Centre National De La Recherche Scientifique
- Calibrating passive LC sensor9 Jan 2024US 11,864,919 B1W. L. Gore & Associates, Inc.
- Magnetic-inductive flowmeter having electrode including a pressure sensor and a temperature sensor31 Oct 2023US 11,802,781 B2Endress + Hauser Flowtec AG
- Intraocular pressure sensor1 Nov 2022US 11,484,202 B2Board of Trustees of Michigan State University
- Apparatus and method for measuring fluid pressure within flexible tubing using temperature-compensated magnetic sensor23 May 2024US 2024/0167903 A1Zevex, Inc.
- Intraocular pressure sensor26 Jan 2023US 2023/0021626 A1Board of Trustees of Michigan State University
- Sensor with variation in impedance or inductance following a variation of a measurand10 Nov 2022US 2022/0357381 A1Centre National De La Recherche Scientifique
- Magnetic-inductive flowmeter27 Jan 2022US 2022/0026250 A1Endress + Hauser Flowtec AG
- Capacitance detection device14 Oct 2021US 2021/0318186 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Portable centrifuge apparatus117US 4,889,524 AHaemonetics Corporation · 1989
- Peristaltic pump provided with a pressure measurement device89US 4,702,675 AHospal AG · 1987
- Method and device for detecting blocked condition in a tube of a liquid infusion pump66US 4,976,151 ASharp Kabushiki Kaisha · 1990
- Pressure transducer with flow-through measurement capability57US 5,024,099 ASetra Systems, Inc. · 1991
- Pressure sensor for a surgical system38US 5,846,257 ANexus Medical System, Inc. LLC · 1998