H01H 55/00
Magnetostrictive relays
H01H55/00 (Magnetostrictive relays) appears on 36 US grants and 28 published applications in this corpus.
Search patents in H01H- Granted patents
- 36
- Published applications
- 28
- Assignees
- 16
- Inventors
- 52
- Latest grant
- 4 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 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 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 9 |
| 2005 | 8 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 3 |
| 2017 | 5 | 5 |
| 2018 | 2 | 1 |
| 2019 | 6 | 5 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Soft bistable magnetic actuator and fabrication method thereof, fatigue testing device and auto underwater vehicle4 Feb 2025US 12,217,909 B2City University of Hong Kong Matter Science Research Institute (Futian)
- Magnetically activated switch having magnetostrictive material14 Jul 2020US 10,714,286 B2Littelfuse, Inc.
- Electromechanical switching device with electrodes having 2D layered materials with distinct functional areas28 Jan 2020US 10,546,708 B2International Business Machines Corporation
- Magnetoelastically actuated MEMS device and methods for its manufacture17 Dec 2019US 10,510,945 B1National Technology & Engineering Solutions of Sandia, LLC
- Ultrafast single actuator electromechanical disconnect switch2 Jul 2019US 10,340,108 B2The Florida State University Research Foundation, Inc.
- Soft bistable magnetic actuator, fatigue testing device and auto underwater vehicle15 May 2025US 2025/0157712 A1City University of Hong Kong Matter Science Research Institute (Futian)
- Piezoelectric switch with adjustable contact force and displacement20 Mar 2025US 2025/0095933 A1Georgia Tech Research Corporation
- Soft bistable magnetic actuator and fabrication method thereof, fatigue testing device and auto underwater vehicle27 Apr 2023US 2023/0131840 A1University of Hong Kong Shenzhen Futian Research Institute
- Magnetically activated switch having magnetostrictive material28 Nov 2019US 2019/0362920 A1Littelfuse, Inc.
- Ultrafast single actuator electromechanical disconnect switch11 Apr 2019US 2019/0108959 A1The Florida State University Research Foundation, Inc.
Most cited
By later US patents
- Piezoelectric circuit breaker22US 4,473,859 APiezo Electric Products, Inc. · 1984
- Electroactive co-polymer systems and devices using the same15US 7,608,976 B1Auburn University · 2009
- Electromagnetic anisotropic devices12US 3,961,297 A1976
- Electromechanical transducer having circularly magnetized helically wound magnetostrictive rod11US 3,959,751 A1976
- High-frequency, liquid metal, latching relay array10US 6,730,866 B1Agilent Technologies, Inc. · 2004