G01L 23/12
By changing capacitance or inductance
Official title: by changing capacitance or inductance
G01L23/12 (By changing capacitance or inductance) appears on 25 US grants and 19 published applications in this corpus.
Search patents in G01L- Granted patents
- 25
- Published applications
- 19
- Assignees
- 21
- Inventors
- 75
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 3 | 0 |
| 2010 | 2 | 3 |
| 2011 | 2 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 2 | 0 |
| 2019 | 1 | 2 |
| 2020 | 0 | 1 |
| 2021 | 1 | 2 |
| 2022 | 2 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method for monitoring the function of a capacitive pressure measuring cell14 Oct 2025US 12,442,710 B2Ifm Electronic GmbH
- Dielectric comb for MEMS device21 Nov 2023US 11,825,266 B2Knowles Electronics, LLC
- Force feedback actuator for a MEMS transducer29 Nov 2022US 11,516,597 B2Knowles Electronics, LLC
- Sensing apparatus18 Jan 2022US 11,226,250 B2Zedsen Limited
- Pressure sensor and method of producing the same26 Jan 2021US 10,900,854 B2Tohoku University
- Device and method for cavitation detection of pure water hydraulic system based on pressure3 Jul 2025US 2025/0216281 A1Shandong University of Science and Technology
- Capacitive mems pressure transducer and related manufacturing process28 Nov 2024US 2024/0391760 A1STMicroelectronics International N. V.
- Method for Monitoring the Function of a Capacitive Pressure Measuring Cell5 Oct 2023US 2023/0314260 A1Ifm Electronic GmbH
- Force feedback actuator for a mems transducer10 Jun 2021US 2021/0176569 A1Knowles Electronics, LLC
- Dielectric comb for mems device28 Jan 2021US 2021/0029470 A1Knowles Electronics, LLC
Most cited
By later US patents
- High temperature capacitive static/dynamic pressure sensors14US 7,765,875 B2Rosemount Aerospace Inc. · 2010
- Pressure detector using an averaging circuit13US 4,195,531 ANissan Motor Co., Ltd. · 1980
- Pressure transducer11US 4,662,226 A1987
- Process control transmitter with vibration sensor11US 7,484,416 B1Rosemount Inc. · 2009
- Resonant frequency based pressure sensor8US 8,429,978 B2Rosemount Inc. · 2013