H01H 37/52
Actuated due to deflection of bimetallic element
Official title: actuated due to deflection of bimetallic element
H01H37/52 (Actuated due to deflection of bimetallic element) appears on 709 US grants and 390 published applications in this corpus.
Search patents in H01H- Granted patents
- 709
- Published applications
- 390
- Assignees
- 268
- Inventors
- 955
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 16 | 0 |
| 1978 | 16 | 0 |
| 1979 | 10 | 0 |
| 1980 | 13 | 0 |
| 1981 | 16 | 0 |
| 1982 | 22 | 0 |
| 1983 | 16 | 0 |
| 1984 | 16 | 0 |
| 1985 | 19 | 0 |
| 1986 | 16 | 0 |
| 1987 | 24 | 0 |
| 1988 | 12 | 0 |
| 1989 | 24 | 0 |
| 1990 | 10 | 0 |
| 1991 | 12 | 0 |
| 1992 | 14 | 0 |
| 1993 | 16 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 14 | 0 |
| 1997 | 13 | 0 |
| 1998 | 21 | 0 |
| 1999 | 25 | 0 |
| 2000 | 19 | 0 |
| 2001 | 11 | 1 |
| 2002 | 16 | 15 |
| 2003 | 15 | 7 |
| 2004 | 15 | 23 |
| 2005 | 6 | 17 |
| 2006 | 11 | 13 |
| 2007 | 10 | 9 |
| 2008 | 9 | 6 |
| 2009 | 7 | 12 |
| 2010 | 9 | 11 |
| 2011 | 3 | 10 |
| 2012 | 8 | 12 |
| 2013 | 9 | 20 |
| 2014 | 12 | 20 |
| 2015 | 9 | 28 |
| 2016 | 15 | 17 |
| 2017 | 19 | 16 |
| 2018 | 13 | 7 |
| 2019 | 20 | 13 |
| 2020 | 10 | 22 |
| 2021 | 17 | 24 |
| 2022 | 20 | 10 |
| 2023 | 13 | 17 |
| 2024 | 17 | 29 |
| 2025 | 12 | 15 |
| 2026 | 11 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01H 37/54Wherein the bimetallic element is inherently snap acting507
- H01H 2037/526Materials for bimetalsIndexing code30
- H01H 2037/525Details of manufacturing of the bimetalsIndexing code24
- H01H 37/56Having spirally wound or helically wound bimetallic element22
- H01H 2037/528The bimetallic element being composed of more than two layersIndexing code17
- H01H 2037/523Using a corrugated bimetalIndexing code3
- H01H 37/521Comprising a plurality of bimetals acting in the same direction3
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
- 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
- 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