G01L 9/0029
Using variations in inductance
Official title: {using variations in inductance}
G01L9/0029 (Using variations in inductance) appears on 17 US grants and 15 published applications in this corpus.
Search patents in G01L- Granted patents
- 17
- Published applications
- 15
- Assignees
- 18
- Inventors
- 40
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 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 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 2 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Ophthalmic instrument probe detection method23 Sep 2025US 12,419,518 B2Reichert, Inc.
- Single-use plastic pressure sensor22 Nov 2022US 11,506,556 B2Rosenmount Inc.
- Non-intrusive process fluid pressure measurement system28 Dec 2021US 11,209,296 B2Rosemount Inc.
- Pressure sensor25 Feb 2020US 10,571,350 B2Nabtesco Corporation
- Fluid pressure sensor1 Aug 2017US 9,719,876 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Pressure sensors for ophthalmic surgical consoles and cassettes1 May 2025US 2025/0135083 A1Alcon Inc.
- Ophthalmic instrument probe detection method20 Feb 2025US 2025/0060500 A1Reichert, Inc.
- Apparatus and method for measuring fluid pressure within flexible tubing using temperature-compensated magnetic sensor23 May 2024US 2024/0167903 A1Zevex, Inc.
- Sensing system using time-varying magnetic fields16 May 2024US 2024/0159610 A1National University of Singapore
- Apparatus and method for inductively measuring a representative variable or a variation in the circumference of a deformable object, and use of the apparatus on a shutter, a pressure probe or for inductance plethysmography29 Sep 2022US 2022/0304592 A1Calyf
Most cited
By later US patents
- Pressure transducer assembly31US 4,539,998 AAmerican Hospital Supply Corporation · 1985
- Pressure monitoring apparatus having a Hall-effect detector13US 4,745,811 ASpan Instruments, Inc. · 1988
- Magnetomechanical transducer utilizing resonant frequency shifts to measure pressure in response to displacement of a pressure sensitive device5US 4,720,676 AAllied Corporation · 1988
- Pressure measuring device5US 4,843,886 ABochumer Eisenhutte Heinzmann GmbH & Co., KG · 1989
- Magnetomechanical transducers utilizing resonant frequency shifts to measure displacement of an object4US 4,710,709 AAllied Corporation · 1987