H01H 37/32
Thermally-sensitive members
H01H37/32 (Thermally-sensitive members) appears on 1,098 US grants and 610 published applications in this corpus.
Search patents in H01H- Granted patents
- 1,098
- Published applications
- 610
- Assignees
- 462
- Inventors
- 1,570
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 25 | 0 |
| 1977 | 33 | 0 |
| 1978 | 26 | 0 |
| 1979 | 15 | 0 |
| 1980 | 15 | 0 |
| 1981 | 23 | 0 |
| 1982 | 27 | 0 |
| 1983 | 26 | 0 |
| 1984 | 18 | 0 |
| 1985 | 33 | 0 |
| 1986 | 30 | 0 |
| 1987 | 35 | 0 |
| 1988 | 20 | 0 |
| 1989 | 31 | 0 |
| 1990 | 17 | 0 |
| 1991 | 24 | 0 |
| 1992 | 22 | 0 |
| 1993 | 23 | 0 |
| 1994 | 12 | 0 |
| 1995 | 9 | 0 |
| 1996 | 17 | 0 |
| 1997 | 16 | 0 |
| 1998 | 27 | 0 |
| 1999 | 31 | 0 |
| 2000 | 27 | 0 |
| 2001 | 19 | 2 |
| 2002 | 20 | 21 |
| 2003 | 21 | 12 |
| 2004 | 21 | 27 |
| 2005 | 7 | 23 |
| 2006 | 14 | 14 |
| 2007 | 11 | 13 |
| 2008 | 12 | 10 |
| 2009 | 11 | 23 |
| 2010 | 16 | 18 |
| 2011 | 9 | 15 |
| 2012 | 11 | 20 |
| 2013 | 15 | 27 |
| 2014 | 17 | 32 |
| 2015 | 14 | 41 |
| 2016 | 26 | 32 |
| 2017 | 37 | 37 |
| 2018 | 33 | 21 |
| 2019 | 39 | 26 |
| 2020 | 29 | 44 |
| 2021 | 24 | 33 |
| 2022 | 36 | 17 |
| 2023 | 21 | 26 |
| 2024 | 21 | 36 |
| 2025 | 16 | 22 |
| 2026 | 16 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01H 37/52Actuated due to deflection of bimetallic element709
- H01H 37/46Actuated due to expansion or contraction of a solid120
- H01H 37/323Making use of shape memory materials98
- H01H 37/36Actuated due to expansion or contraction of a fluid with or without81
- H01H 37/34Means for transmitting heat thereto50
- H01H 37/58Actuated due to thermally controlled change of magnetic permeability43
- H01H 2037/326With radiative heat transfer to the switchIndexing code18
Recent patents
- Systems and methods for a remote control actuator6 Oct 2026US 12,753,743 B2Trustees of Tufts College
- Irreversible, normally closed, solid-state thermal switch6 Oct 2026US 12,755,913 B1National Technology & Engineering Solutions of Sandia, LLC
- Temperature-dependent switching mechanism and temperature-dependent switch22 Sep 2026US 12,744,173 B2
- Temperature-dependent switch11 Aug 2026US 12,706,263 B2
- Breaker, safety circuit and secondary battery pack28 Jul 2026US 12,695,038 B2Bourns, Inc.
- Thermal Protector8 Oct 2026US 2026/0311944 A1Uchiya Thermostat Co., Ltd.
- Spring element for a temperature-dependent switch, temperature-dependent switch and method of manufacturing the spring element1 Oct 2026US 2026/0302110 A1
- Spring element for a temperature-dependent switch, and temperature-dependent switch1 Oct 2026US 2026/0302111 A1
- Spring element for a temperature-dependent switch, and temperature-dependent switch1 Oct 2026US 2026/0302112 A1
- Spring element for a temperature-dependent switch, and temperature-dependent switch1 Oct 2026US 2026/0302113 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