H01F 2007/185
With armature position measurement
Official title: {with armature position measurement}
H01F2007/185 (With armature position measurement) appears on 130 US grants and 140 published applications in this corpus.
Search patents in H01F- Granted patents
- 130
- Published applications
- 140
- Assignees
- 111
- Inventors
- 346
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 0 |
| 2005 | 1 | 4 |
| 2006 | 1 | 5 |
| 2007 | 2 | 6 |
| 2008 | 3 | 5 |
| 2009 | 6 | 8 |
| 2010 | 6 | 5 |
| 2011 | 3 | 4 |
| 2012 | 0 | 2 |
| 2013 | 6 | 4 |
| 2014 | 3 | 5 |
| 2015 | 2 | 6 |
| 2016 | 6 | 2 |
| 2017 | 4 | 11 |
| 2018 | 5 | 10 |
| 2019 | 11 | 11 |
| 2020 | 8 | 5 |
| 2021 | 8 | 15 |
| 2022 | 7 | 8 |
| 2023 | 8 | 9 |
| 2024 | 11 | 2 |
| 2025 | 3 | 6 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Solenoid position sensing16 Jun 2026US 12,658,348 B2Rivian IP Holdings, LLC
- Method for determining the position of an armature of an electromagnet and fluid system2 Jun 2026US 12,644,540 B2HAWE Hydraulik SE
- Detecting pickup and dropout of solenoid valve26 May 2026US 12,638,102 B2Automatic Switch Company
- Solenoid actuator and multi-solenoid actuator exerting constant force26 May 2026US 12,640,298 B2Pukyong National University Industry-University Cooperation Foundation
- Electromechanical lock and method9 Dec 2025US 12,492,577 B2iLOQ Oy
- Solenoid actuator efficiency optimization13 Aug 2026US 2026/0237547 A1Analog Devices International Unlimited Company
- Device and method for controlling movements of an object in an open- and/or closed-loop manner16 Apr 2026US 2026/0106517 A1Micro-Epsilon Messtechnik GmbH & Co.KG
- Method and system for closed-loop feed forward control of actuation of a solenoid5 Feb 2026US 2026/0038723 A1
- Sensor Module and System15 Jan 2026US 2026/0016320 A1Svm Schultz Verwaltungs-GmbH & Co.KG
- Sensor for relay position11 Dec 2025US 2025/0379015 A1Allegro MicroSystems, LLC
Most cited
By later US patents
- Monitor and control circuit for electric surface controlled subsurface valve system91US 5,293,551 AOtis Engineering Corporation · 1994
- Moving-coil haptic actuator for electronic devices81US 10,032,550 B1Apple Inc. · 2018
- Method and apparatus for monitoring armature position in direct-current solenoids79US 5,583,434 AMartin Marietta Energy Systems, Inc. · 1996
- Variable reluctance actuator having position sensing and control49US 4,659,969 ASynektron Corporation · 1987
- Solenoid driver and method for determining solenoid operational status46US 5,784,245 AMotorola, Inc. · 1998