H01H 57/00
Electrostrictive relays
Official title: Electrostrictive relays; Piezoelectric relays
H01H57/00 (Electrostrictive relays) appears on 387 US grants and 323 published applications in this corpus.
Search patents in H01H- Granted patents
- 387
- Published applications
- 323
- Assignees
- 146
- Inventors
- 536
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 8 | 0 |
| 1987 | 15 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 11 | 8 |
| 2003 | 5 | 12 |
| 2004 | 16 | 32 |
| 2005 | 19 | 16 |
| 2006 | 13 | 15 |
| 2007 | 7 | 16 |
| 2008 | 14 | 16 |
| 2009 | 14 | 17 |
| 2010 | 21 | 5 |
| 2011 | 7 | 25 |
| 2012 | 11 | 5 |
| 2013 | 16 | 19 |
| 2014 | 16 | 14 |
| 2015 | 11 | 11 |
| 2016 | 19 | 24 |
| 2017 | 22 | 19 |
| 2018 | 21 | 16 |
| 2019 | 20 | 17 |
| 2020 | 11 | 12 |
| 2021 | 12 | 7 |
| 2022 | 9 | 4 |
| 2023 | 4 | 6 |
| 2024 | 5 | 2 |
| 2025 | 4 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Orientation agnostic battery placement6 Jan 2026US 12,518,939 B2Target Brands, Inc.
- Technologies for microelectromechanical systems with composable piezoelectric actuators14 Oct 2025US 12,446,470 B2Auburn University
- Electrical switch8 Apr 2025US 12,272,506 B2TMY Technology Inc.
- Electrically controllable integrated switch8 Apr 2025US 12,272,509 B2STMicroelectronics (Rousset) SAS
- Electrically controlled solid-state thermal switch1 Apr 2025US 12,266,494 B2Ohio State Innovation Foundation
- Mems switch14 May 2026US 2026/0135046 A1Infineon Technologies AG
- Mems switch with multiple deformations and switch comprising one or more mems switches12 Feb 2026US 2026/0045424 A1Airmems
- Electrically controlled solid-state thermal switch21 Aug 2025US 2025/0266228 A1Ohio State Innovation Foundation
- Piezoelectric switch with adjustable contact force and displacement20 Mar 2025US 2025/0095933 A1Georgia Tech Research Corporation
- Hybrid relay11 Jul 2024US 2024/0234055 A1Zonit Structured Solutions, LLC
Most cited
By later US patents
- Radio frequency microelectromechanical systems (MEMS) devices on low-temperature co-fired ceramic (LTCC) substrates178US 6,815,739 B2Corporation for National Research Initiatives · 2004
- Metal-electroactive ceramic composite transducer125US 5,729,077 AThe Penn State Research Foundation · 1998
- Piezoelectric switch91US 4,742,263 APacific Bell · 1988
- Electromechanical transducer91US 5,286,199 A1994
- Bending piezoelectrically actuated liquid metal switch90US 6,515,404 B1Agilent Technologies, Inc. · 2003