H01F 7/132
Armatures actuated by current pulse
Official title: {Armatures actuated by current pulse, e.g. bistable actuators}
H01F7/132 (Armatures actuated by current pulse) appears on 84 US grants and 73 published applications in this corpus.
Search patents in H01F- Granted patents
- 84
- Published applications
- 73
- Assignees
- 66
- Inventors
- 166
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 1 |
| 2003 | 3 | 2 |
| 2004 | 2 | 1 |
| 2005 | 2 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 4 |
| 2011 | 0 | 2 |
| 2012 | 5 | 1 |
| 2013 | 1 | 4 |
| 2014 | 4 | 1 |
| 2015 | 1 | 3 |
| 2016 | 3 | 2 |
| 2017 | 4 | 9 |
| 2018 | 4 | 4 |
| 2019 | 7 | 6 |
| 2020 | 4 | 7 |
| 2021 | 1 | 7 |
| 2022 | 7 | 5 |
| 2023 | 2 | 4 |
| 2024 | 7 | 2 |
| 2025 | 4 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System for controlling a superconducting coil with a magnetic persistent current switch14 Apr 2026US 12,603,205 B2Koninklijke Philips N. V.
- Control circuit and control method of bistable permanent magnet mechanism11 Nov 2025US 12,469,627 B2Schneider Electric (China) Co., Ltd.
- Magnetic latching actuator18 Feb 2025US 12,230,440 B2S&C Electric Company
- Electromagnetic actuator and use thereof11 Feb 2025US 12,224,116 B2Nakanishi Jaeger GmbH
- Solenoids for mobile sprayers7 Jan 2025US 12,186,767 B2Wilger Industries Ltd.
- Microelectromechanical systems (mems) actuator with magnetic latching and methods for manufacturing and using the same8 Oct 2026US 2026/0307980 A1Atomic Machines, Inc.
- Control circuit and control method of bistable permanent magnet mechanism13 Mar 2025US 2025/0087398 A1Schnelder Electric (China) Co., Ltd.
- Switch13 Feb 2025US 2025/0054717 A1Schneider Electric (China) Co., Ltd.
- Microelectromechanical systems (mems) actuator with magnetic latching and methods for manufacturing and using the same24 Oct 2024US 2024/0351860 A1
- System for Controlling a Superconducting Coil with a Magnetic Persistent Current Switch29 Aug 2024US 2024/0290525 A1Koninklijke Philips N. V.
Most cited
By later US patents
- Molded pole automatic circuit recloser with bistable electromagnetic actuator116US 5,912,604 AABB Power T&D Company Inc. · 1999
- Variable lift operation of bistable electromechanical poppet valve actuator104US 4,829,947 AGeneral Motors Corporation · 1989
- Electromagnetic valve actuator103US 4,794,890 AMagnavox Government and Industrial Electronics Company · 1989
- Bistable electromechanical valve actuator73US 4,779,582 AGeneral Motors Corporation · 1988
- Permanent magnet actuator mechanism62US 6,501,357 B2Quizix, Inc. · 2002