H01H 2037/762
Using a spring for opening the circuit when the fusible element melts
Official title: {using a spring for opening the circuit when the fusible element melts}
H01H2037/762 (Using a spring for opening the circuit when the fusible element melts) appears on 153 US grants and 153 published applications in this corpus.
Search patents in H01H- Granted patents
- 153
- Published applications
- 153
- Assignees
- 99
- Inventors
- 336
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 4 |
| 2003 | 2 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 2 | 2 |
| 2007 | 0 | 2 |
| 2008 | 2 | 2 |
| 2009 | 2 | 2 |
| 2010 | 3 | 13 |
| 2011 | 3 | 4 |
| 2012 | 4 | 7 |
| 2013 | 2 | 5 |
| 2014 | 4 | 11 |
| 2015 | 4 | 8 |
| 2016 | 11 | 10 |
| 2017 | 12 | 8 |
| 2018 | 10 | 13 |
| 2019 | 9 | 12 |
| 2020 | 10 | 9 |
| 2021 | 13 | 9 |
| 2022 | 8 | 4 |
| 2023 | 3 | 3 |
| 2024 | 3 | 13 |
| 2025 | 4 | 6 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Overvoltage protection device and method of manufacturing such a device7 Apr 2026US 12,597,540 B2Citel
- Box core module, plug module, and surge protective device (SPD)17 Feb 2026US 12,555,731 B2Xiamen Set Electronics Co., Ltd
- Modular surge protection device (SPD)11 Nov 2025US 12,470,056 B2Xiamen Set Electronics Co., Ltd
- Linkage mechanism, base, and surge protection device21 Oct 2025US 12,451,688 B2Shanghai Chenzhu Instrument Co., Ltd.
- High soldering strength terminal for surge protection device9 Sep 2025US 12,412,685 B2Dongguan Littelfuse Electronics Company Limited
- Protection circuit for an electrical installation, associated protection device and protection method30 Jul 2026US 2026/0221368 A1Mersen France Sb SAS
- Arc quenching and flame retarding coating for electronic devices30 Apr 2026US 2026/0120924 A1Littelfuse, Inc.
- Varistor including reflowable thermal protection device on varistor surface12 Mar 2026US 2026/0074098 A1Littelfuse, Inc.
- High soldering strength terminal for surge protection device27 Nov 2025US 2025/0364161 A1Dongguan Littelfuse Electronics Company Limited
- Assembly for an overvoltage protection device, overvoltage protection device and method for producing an assembly30 Oct 2025US 2025/0337222 A1Dehn SE
Most cited
By later US patents
- Automatic switching-off structure for protecting electronic device from burning82US 5,708,553 A1998
- Lightning arrestor76US 4,288,833 AGeneral Electric Company · 1981
- Thermal fuse and method for its activation47US 5,612,662 ASiemens Aktiengesellschaft · 1997
- Electrochemical cell with circuit disconnect device45US 5,188,909 AEveready Battery Company, Inc. · 1993
- Thermal fuse for fixing on a circuit board43US 5,896,080 A1999