G01L 9/0094
Using variations in inductance
Official title: {using variations in inductance}
G01L9/0094 (Using variations in inductance) appears on 8 US grants and 4 published applications in this corpus.
Search patents in G01L- Granted patents
- 8
- Published applications
- 4
- Assignees
- 9
- Inventors
- 23
- Latest grant
- 1 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 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 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Intraocular pressure sensor1 Nov 2022US 11,484,202 B2Board of Trustees of Michigan State University
- Clapp-type oscillators for high temperature pressure sensor systems13 Aug 2019US 10,378,986 B1The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
- Liquid level monitoring system having ferrofluid pressure sensor10 Jun 1997US 5,636,547 AFerrofluidics Corporation
- Ferrofluid pressure sensor4 Jul 1995US 5,429,000 AFerrofluidics Corporation
- Differential pressure transducer utilizing a variable ferrofluid keeper as an active magnetic circuit element14 Mar 1995US 5,396,802 AViatran Corporation
- Method and apparatus for determining physiological parameter26 Sep 2024US 2024/0315557 A1Icare Finland Oy
- Intraocular pressure sensor26 Jan 2023US 2023/0021626 A1Board of Trustees of Michigan State University
- Miniature implantable wireless pressure sensor13 Aug 2020US 2020/0253493 A1The Regents of the University of California
- Intraocular pressure sensor16 Jan 2020US 2020/0015678 A1Board of Trustees of Michigan State University
Most cited
By later US patents
- Differential pressure transducer utilizing a variable ferrofluid keeper as an active magnetic circuit element68US 5,396,802 AViatran Corporation · 1995
- Estimates of permeability from capillary pressure measurements15US 4,211,106 AShell Oil Company · 1980
- Pressure sensors utilizing ferromagnetic fluids11US 3,956,938 AThe Bendix Corporation · 1976
- Ferrofluid pressure sensor11US 5,429,000 AFerrofluidics Corporation · 1995
- Liquid level monitoring system having ferrofluid pressure sensor9US 5,636,547 AFerrofluidics Corporation · 1997