H01F 7/165
Means for guiding the movement of the armature with reduced friction
Official title: {Means for guiding the movement of the armature with reduced friction, e.g. bearing or coating}
H01F7/165 (Means for guiding the movement of the armature with reduced friction) appears on 85 US grants and 81 published applications in this corpus.
Search patents in H01F- Granted patents
- 85
- Published applications
- 81
- Assignees
- 68
- Inventors
- 208
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 2 | 2 |
| 2004 | 1 | 1 |
| 2005 | 2 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 4 |
| 2008 | 0 | 3 |
| 2009 | 0 | 2 |
| 2010 | 2 | 10 |
| 2011 | 2 | 9 |
| 2012 | 4 | 3 |
| 2013 | 10 | 2 |
| 2014 | 4 | 5 |
| 2015 | 5 | 2 |
| 2016 | 1 | 2 |
| 2017 | 2 | 8 |
| 2018 | 2 | 3 |
| 2019 | 5 | 6 |
| 2020 | 5 | 4 |
| 2021 | 7 | 2 |
| 2022 | 1 | 4 |
| 2023 | 4 | 4 |
| 2024 | 1 | 0 |
| 2025 | 2 | 0 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filling an armature chamber in an actuator18 Aug 2026US 12,712,105 B2Magnet-Schultz GmbH & Co. KG
- Electromagnetic actuating device and camshaft adjuster with an electromagnetic actuating device27 Jan 2026US 12,537,124 B2Schaeffler Technologies AG & Co. KG
- Electromagnetic drive for a cutting device of a textile machine, cutting device and yarn clearer11 Nov 2025US 12,466,099 B2Saurer Intelligent Technology AG
- Solenoid actuator and method for manufacturing solenoid actuator27 May 2025US 12,315,673 B2Mikuni Corporation
- Systems and methods for a solenoid having a permanent magnet2 Apr 2024US 11,948,738 B2HUSCO Automotive Holdings LLC
- Solenoid actuator and solenoid valve13 Aug 2026US 2026/0235224 A1Astemo, Ltd.
- Magnetic armature, electromagnetic actuator and method for producing the magnetic armature7 May 2026US 2026/0128200 A1ETO Magnetic GmbH
- Precise-positioning linear rolling bearing and electromagnetic drive module using same29 Jan 2026US 2026/0029020 A1Jiangsu Carya Smart Home Hardware Co. Ltd
- Electromagnetic actuating device and camshaft adjuster with an electromagnetic actuating device21 Dec 2023US 2023/0411059 A1Schaeffler Technologies AG & Co. KG
- Solenoid actuator and method for manufacturing solenoid actuator30 Nov 2023US 2023/0386718 A1Mikuni Corporation
Most cited
By later US patents
- Hybrid linear actuator132US 4,845,392 AEaton Corporation · 1989
- D.C. Electromagnetic actuator71US 4,422,060 AHitachi Metals, Ltd. · 1983
- Direct acting solenoid actuator31US 9,022,346 B2Flextronics AP, LLC · 2015
- Trip solenoid30US 4,470,030 ALedex, Inc. · 1984
- Linear electric motor28US 4,358,691 ACTS Corporation · 1982