G01D 5/2258
By a movable ferromagnetic element
Official title: {by a movable ferromagnetic element, e.g. core}
G01D5/2258 (By a movable ferromagnetic element) appears on 72 US grants and 43 published applications in this corpus.
Search patents in G01D- Granted patents
- 72
- Published applications
- 43
- Assignees
- 68
- Inventors
- 149
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 2 |
| 2014 | 0 | 2 |
| 2015 | 2 | 6 |
| 2016 | 2 | 2 |
| 2017 | 5 | 3 |
| 2018 | 3 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 4 |
| 2021 | 2 | 2 |
| 2022 | 4 | 2 |
| 2023 | 3 | 3 |
| 2024 | 2 | 3 |
| 2025 | 4 | 1 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and assemblies associated with a flexible printed circuit board with coils printed thereon for indicating position of a movable member25 Nov 2025US 12,484,150 B2Sun Hydraulics, LLC
- Signal conditioning in a position sensing system29 Jul 2025US 12,372,381 B2Hamilton Sundstrand Corporation
- Composite cylinder13 May 2025US 12,298,156 B2Crompton Technology Group Limited
- Rotary position sensing apparatus and method18 Feb 2025US 12,228,431 B2Kyocera AVX Components (Werne) GmbH
- Displacement detection device23 Jul 2024US 12,044,555 B2Murata Machinery, Ltd.
- Non-contact three-dimensional displacement sensor9 Jul 2026US 2026/0194369 A1University of Science and Technology of China
- Cap with angled end and embedded magnet22 Jan 2026US 2026/0022950 A1Allegro MicroSystems, LLC
- Angle sensor having heterogenous redundant sensing22 Jan 2026US 2026/0022951 A1Allegro MicroSystems, LLC
- Wire based position sensor6 Nov 2025US 2025/0341406 A1Dana Motion Systems Italia S.R.L.
- Systems and Assemblies Associated with a Flexible Printed Circuit Board with Coils Printed Thereon for Indicating Position of a Movable Member8 Aug 2024US 2024/0268026 A1Sun Hydraulics, LLC
Most cited
By later US patents
- Inductive position sensor47US 7,276,897 B2KSR International Co. · 2007
- Linear variable phase transformer with constant magnitude output33US 4,282,485 APneumo Corporation · 1981
- High accuracy position indicator32US 4,140,998 ASangamo Weston, Inc. · 1979
- Detection device28US 7,132,825 B2Universite De Liege · 2006
- Transducer for directly converting mechanical displacement to phase information27US 4,134,065 APneumo Corporation · 1979