H01H 2215/042
Permanent magnets
H01H2215/042 (Permanent magnets) appears on 46 US grants and 43 published applications in this corpus.
Search patents in H01H- Granted patents
- 46
- Published applications
- 43
- Assignees
- 32
- Inventors
- 92
- Latest grant
- 11 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 3 |
| 2002 | 1 | 2 |
| 2003 | 2 | 2 |
| 2004 | 3 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 3 |
| 2013 | 0 | 3 |
| 2014 | 4 | 5 |
| 2015 | 2 | 4 |
| 2016 | 4 | 2 |
| 2017 | 3 | 1 |
| 2018 | 3 | 2 |
| 2019 | 0 | 3 |
| 2020 | 6 | 3 |
| 2021 | 2 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 2 |
| 2024 | 2 | 0 |
| 2025 | 0 | 2 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bistable retractable buttons11 Jun 2024US 12,009,162 B2Apple Inc.
- Switch apparatus7 May 2024US 11,978,602 B2Alps Electric Korea Co., Ltd.
- Key structure6 Jun 2023US 11,670,465 B2Lite-On Electronics (Guangzhou) Limited
- Bistable retractable buttons13 Dec 2022US 11,527,372 B1Apple Inc.
- Keyswitch device31 Aug 2021US 11,107,644 B2Darfon Electronics Corp.
- Push button2 Jul 2026US 2026/0186522 A1Crouzet
- Actuator for Actuating a Switch of a Powered Device that is Magnetically Holdable in a Plurality of Positions11 Jun 2026US 2026/0158635 A1Black & Decker Inc.
- Input device and operation button2 Apr 2026US 2026/0091308 A1Sony Interactive Entertainment Inc.
- Push-button28 Aug 2025US 2025/0271891 A1Crouzet
- Magnetic suspension keyswitch structure15 May 2025US 2025/0157752 A1Elgato Idisplay Limited
Most cited
By later US patents
- Switch with magnetically-coupled armature144US 5,867,082 ADuraswitch · 1999
- Switching device of thin type and display device with switch82US 5,977,888 AIdec Izumi Corporation · 1999
- Keyswitch using magnetic force69US 8,629,362 B1Synerdyne Corporation · 2014
- Switch with magnetically-coupled armature52US 5,666,096 A1997
- Switch with mangnetically-coupled armature46US 5,523,730 A1996