G01D 5/2216
By a movable ferromagnetic element
Official title: {by a movable ferromagnetic element, e.g. a core}
G01D5/2216 (By a movable ferromagnetic element) appears on 86 US grants and 32 published applications in this corpus.
Search patents in G01D- Granted patents
- 86
- Published applications
- 32
- Assignees
- 72
- Inventors
- 159
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 8 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 9 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 0 |
| 2003 | 3 | 3 |
| 2004 | 1 | 0 |
| 2005 | 2 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 2 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 2 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 2 |
| 2017 | 3 | 2 |
| 2018 | 1 | 2 |
| 2019 | 1 | 2 |
| 2020 | 2 | 2 |
| 2021 | 2 | 1 |
| 2022 | 0 | 3 |
| 2023 | 0 | 2 |
| 2024 | 3 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Sensor device for high speed rotating machine21 Jan 2025US 12,203,781 B2Industrial Technology Research Institute
- Apparatus for non-polarity correction and displacement measurement of object using search coil type sensor17 Sep 2024US 12,092,494 B2
- Solenoid apparatus and methods30 Apr 2024US 11,972,899 B2
- Linear actuator comprising a measuring device for determining a position of a linearly moveable component23 Apr 2024US 11,964,690 B2Schaeffler Technologies AG & Co. KG
- Sensor9 Nov 2021US 11,169,006 B2Continental Teves AG & Co. oHG
- Perpendicular coil interference7 Nov 2024US 2024/0369383 A1Azoteq Holdings Limited
- Sensor device for high speed rotating machine11 May 2023US 2023/0143463 A1Industrial Technology Research Institute
- Apparatus for non-polarity correction and displacement measurement of object using search coil type sensor6 Apr 2023US 2023/0104078 A1
- Linear actuator comprising a measuring device for determining a position of a linearly moveable component13 Oct 2022US 2022/0324510 A1Schaeffler Technologies AG & Co. KG
- Solenoid apparatus and methods12 May 2022US 2022/0148784 A1The University of British Columbia
Most cited
By later US patents
- Differential variable reluctance transducer68US 5,497,147 AMicrostrain, Inc. · 1996
- Miniaturized displacement transducer assembly42US 5,777,467 AMicrostrain, Inc. · 1998
- Electromagnetic device for position measurement having multiple coils with equal area of turn cross-section36US 5,047,715 A1991
- E/U core linear variable differential transformer for precise displacement measurement34US 5,469,053 ATech Corporation Co., Ltd. · 1995
- High accuracy position indicator32US 4,140,998 ASangamo Weston, Inc. · 1979