H01H 37/323
Making use of shape memory materials
Official title: {making use of shape memory materials (in thermal relays H01H61/0107; release mechanism H01H71/145; treatment of SMF alloys C22F1/006; for control of temperature G05D23/024)}
H01H37/323 (Making use of shape memory materials) appears on 98 US grants and 58 published applications in this corpus.
Search patents in H01H- Granted patents
- 98
- Published applications
- 58
- Assignees
- 62
- Inventors
- 170
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 7 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 3 |
| 2003 | 3 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 3 | 2 |
| 2010 | 2 | 3 |
| 2011 | 1 | 2 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 3 | 7 |
| 2015 | 1 | 1 |
| 2016 | 3 | 6 |
| 2017 | 4 | 2 |
| 2018 | 5 | 2 |
| 2019 | 4 | 5 |
| 2020 | 3 | 6 |
| 2021 | 0 | 3 |
| 2022 | 8 | 2 |
| 2023 | 4 | 4 |
| 2024 | 3 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Active, dynamic, and reversible shape memory alloy film thermo-mechanical safety switches6 Jan 2026US 12,519,190 B2
- Bi-metal actuator12 Mar 2024US 11,927,179 B2Ozyegin Universitesi
- Shape memory alloy actuated switch12 Mar 2024US 11,929,219 B2Qatar Foundation for Education, Science and Community Development
- Temperature-dependent switch23 Jan 2024US 11,881,369 B2
- System for transmitting and receiving self-powered power-free fixed temperature type fire detection26 Dec 2023US 11,854,362 B2Mpia Co., Ltd.
- Data Cable With Memory Alloy Wire28 May 2026US 2026/0148918 A1Shenzhen Jike Innovation Technology Co., Ltd.
- Active, dynamic, and reversible shape memory alloy film thermo-mechanical safety switches23 Oct 2025US 2025/0329897 A1
- Actuation system with a temperature-controlled actuation material7 Mar 2024US 2024/0079194 A1Eaton Intelligent Power Limited
- Bi-metal actuator15 Jun 2023US 2023/0184231 A1Ozyegin Universitesi
- Temperature-dependent switch25 May 2023US 2023/0162934 A1
Most cited
By later US patents
- Shape-memory alloy micro-actuator445US 5,061,914 ATiNi Alloy Company · 1991
- Steerable and aimable catheter316US 4,543,090 A1985
- Steerable and aimable catheter171US 4,601,705 A1986
- Steerable and aimable catheter150US 4,758,222 A1988
- Variable shape guide apparatus118US 4,944,727 ACatheter Research, Inc. · 1990