G01L 23/223
Using magnetic or magnetostrictive means
Official title: {using magnetic or magnetostrictive means}
G01L23/223 (Using magnetic or magnetostrictive means) appears on 32 US grants and 5 published applications in this corpus.
Search patents in G01L- Granted patents
- 32
- Published applications
- 5
- Assignees
- 13
- Inventors
- 38
- Latest grant
- 13 Oct 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 5 | 0 |
| 1984 | 6 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 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 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Diaphragm suppressing pressure sensor13 Oct 2020US 10,801,908 B2Ngk Spark Plug Co., Ltd.
- Ionization detector with ignition coil inductance shorting5 Mar 2019US 10,221,827 B2Board of Trustees of Michigan State University
- Magnetically coded temperature and pressure detection apparatus21 Oct 2014US 8,863,569 B2Eaton Corporation
- Fuel injector25 Jun 2013US 8,469,006 B2Delphi Technologies Holding S.arl
- Apparatus and method for monitoring engine conditions, using magnetostrictive sensors10 Apr 2001US 6,212,944 B1Southwest Research Institute
- Pressure sensor25 Jun 2020US 2020/0200636 A1Ngk Spark Plug Co., Ltd.
- Ionization detector with ignition coil inductance shorting9 Aug 2018US 2018/0223791 A1Board of Trustees of Michigan State University
- Device for detecting the combution chamber pressure in an internal combustion engine2 Jun 2016US 2016/0153861 A1
- Magnetically coded temperature and pressure detection apparatus28 Jun 2012US 2012/0163412 A1Eaton Corporation
- Fuel Injector4 Mar 2010US 2010/0050991 A1Delphi Technologies Holding S.arl
Most cited
By later US patents
- Tuned vibration detector93US 4,479,389 AAllied Corporation · 1984
- Engine misfire, knock of roughness detection method and apparatus37US 5,269,178 ASensorTech, L. P. · 1993
- Apparatus and method for monitoring engine conditions, using magnetostrictive sensors27US 6,212,944 B1Southwest Research Institute · 2001
- Knock detecting apparatus for an internal combustion engine26US 4,345,558 ANippon Soken, Inc. · 1982
- Magnetostrictive engine detonation sensor21US 4,161,665 AGeneral Motors Corporation · 1979