H01H 37/54
Wherein the bimetallic element is inherently snap acting
Official title: wherein the bimetallic element is inherently snap acting
H01H37/54 (Wherein the bimetallic element is inherently snap acting) appears on 507 US grants and 264 published applications in this corpus.
Search patents in H01H- Granted patents
- 507
- Published applications
- 264
- Assignees
- 151
- Inventors
- 581
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 12 | 0 |
| 1978 | 10 | 0 |
| 1979 | 7 | 0 |
| 1980 | 7 | 0 |
| 1981 | 8 | 0 |
| 1982 | 14 | 0 |
| 1983 | 12 | 0 |
| 1984 | 15 | 0 |
| 1985 | 15 | 0 |
| 1986 | 13 | 0 |
| 1987 | 17 | 0 |
| 1988 | 10 | 0 |
| 1989 | 23 | 0 |
| 1990 | 7 | 0 |
| 1991 | 10 | 0 |
| 1992 | 9 | 0 |
| 1993 | 13 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 11 | 0 |
| 1997 | 11 | 0 |
| 1998 | 16 | 0 |
| 1999 | 20 | 0 |
| 2000 | 16 | 0 |
| 2001 | 8 | 1 |
| 2002 | 12 | 13 |
| 2003 | 14 | 6 |
| 2004 | 11 | 18 |
| 2005 | 6 | 10 |
| 2006 | 8 | 7 |
| 2007 | 5 | 9 |
| 2008 | 6 | 4 |
| 2009 | 5 | 8 |
| 2010 | 6 | 8 |
| 2011 | 1 | 10 |
| 2012 | 6 | 11 |
| 2013 | 8 | 13 |
| 2014 | 8 | 11 |
| 2015 | 6 | 16 |
| 2016 | 8 | 11 |
| 2017 | 12 | 11 |
| 2018 | 7 | 4 |
| 2019 | 9 | 5 |
| 2020 | 7 | 13 |
| 2021 | 8 | 20 |
| 2022 | 15 | 4 |
| 2023 | 10 | 11 |
| 2024 | 9 | 24 |
| 2025 | 8 | 10 |
| 2026 | 10 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01H 37/5427Encapsulated in sealed miniaturised housing217
- H01H 37/5418Using cantilevered bimetallic snap elements104
- H01H 2037/5463The bimetallic snap element forming part of switched circuitIndexing code67
- H01H 37/5409Bistable switches59
- H01H 2037/5481The bimetallic snap element being mounted on the contact springIndexing code41
- H01H 2037/549Details of movement transmission between bimetallic snap element and contactIndexing code28
- H01H 2037/5445With measures for avoiding slow break of contacts during the creep phaseIndexing code26
- H01H 2037/5454With separate spring biasing the bimetal snap element against the heat transferIndexing code15
All 9 subgroupsShow fewer
Recent patents
- Temperature-dependent switching mechanism and temperature-dependent switch22 Sep 2026US 12,744,173 B2
- Temperature-dependent switch11 Aug 2026US 12,706,263 B2
- Temperature-dependent switch14 Jul 2026US 12,683,105 B2
- Temperature-dependent switch23 Jun 2026US 12,665,151 B2
- Casing for a temperature-dependent switch and sealed switching device16 Jun 2026US 12,658,389 B2
- 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
- Electrical Circuit Breaker Device3 Sep 2026US 2026/0257561 A1Pacific Engineering Corp.
- Thermally sensitive control6 Aug 2026US 2026/0224062 A1Strix Limited
- Temperature-dependent switching mechanism and temperature-dependent switch25 Jun 2026US 2026/0179866 A1
Most cited
By later US patents
- Thermal protector mounting structure for hermetic refrigeration compressors95US 5,509,786 AUbukata Industries Co., Ltd. · 1996
- Motor protector calibratable by housing deformation having improved sealing and compactness61US 4,376,926 ATexas Instruments Incorporated · 1983
- Current interrupter for electrochemical cells61US 5,691,073 ADuracell Inc. · 1997
- Protected refrigerator compressor motor systems and motor protectors therefor60US 4,701,824 ATexas Instruments Incorporated · 1987
- Overload protector with control element60US 6,542,062 B1Tecumseh Products Company · 2003