H01H 37/00
Thermally-actuated switches
H01H37/00 (Thermally-actuated switches) appears on 1,991 US grants and 1,182 published applications in this corpus.
Search patents in H01H- Granted patents
- 1,991
- Published applications
- 1,182
- Assignees
- 802
- Inventors
- 2,871
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 46 | 0 |
| 1977 | 56 | 0 |
| 1978 | 56 | 0 |
| 1979 | 35 | 0 |
| 1980 | 41 | 0 |
| 1981 | 57 | 0 |
| 1982 | 51 | 0 |
| 1983 | 51 | 0 |
| 1984 | 29 | 0 |
| 1985 | 50 | 0 |
| 1986 | 44 | 0 |
| 1987 | 52 | 0 |
| 1988 | 36 | 0 |
| 1989 | 47 | 0 |
| 1990 | 32 | 0 |
| 1991 | 33 | 0 |
| 1992 | 42 | 0 |
| 1993 | 33 | 0 |
| 1994 | 23 | 0 |
| 1995 | 16 | 0 |
| 1996 | 26 | 0 |
| 1997 | 26 | 0 |
| 1998 | 44 | 0 |
| 1999 | 48 | 0 |
| 2000 | 46 | 0 |
| 2001 | 42 | 5 |
| 2002 | 32 | 33 |
| 2003 | 37 | 24 |
| 2004 | 38 | 47 |
| 2005 | 14 | 43 |
| 2006 | 28 | 37 |
| 2007 | 20 | 33 |
| 2008 | 26 | 24 |
| 2009 | 23 | 35 |
| 2010 | 32 | 44 |
| 2011 | 20 | 39 |
| 2012 | 21 | 37 |
| 2013 | 25 | 58 |
| 2014 | 36 | 59 |
| 2015 | 32 | 71 |
| 2016 | 52 | 57 |
| 2017 | 69 | 57 |
| 2018 | 56 | 48 |
| 2019 | 70 | 55 |
| 2020 | 48 | 71 |
| 2021 | 51 | 57 |
| 2022 | 58 | 47 |
| 2023 | 43 | 45 |
| 2024 | 37 | 76 |
| 2025 | 33 | 44 |
| 2026 | 28 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01H 37/02Details1,454
- H01H 37/74Switches in which only the opening movement or only the closing movement604
- H01H 37/002Combined with protective means105
- H01H 2037/008Micromechanical switches operated thermallyIndexing code57
- H01H 37/72Switches in which the opening movement and the closing movement of a28
- H01H 37/006Thermally-actuated switches: with different switches operated at substantially different temperatures21
- H01H 37/004Thermally-actuated switches: with thermal image13
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
- Thermal cutoff device pellet composition6 Oct 2026US 12,755,914 B2Therm-O-Disc, Incorporated
- Protective element6 Oct 2026US 12,755,915 B2Dexerials Corporation
- Temperature-dependent switching mechanism and temperature-dependent switch22 Sep 2026US 12,744,173 B2
- 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
- Apparatus adapted to be releasably connectable to the sub base of a thermostat136US 6,888,441 B2Emerson Electric Co. · 2005