H01H 37/764
In which contacts are held closed by a thermal pellet
Official title: {in which contacts are held closed by a thermal pellet}
H01H37/764 (In which contacts are held closed by a thermal pellet) appears on 131 US grants and 56 published applications in this corpus.
Search patents in H01H- Granted patents
- 131
- Published applications
- 56
- Assignees
- 54
- Inventors
- 177
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 7 | 0 |
| 1978 | 7 | 0 |
| 1979 | 5 | 0 |
| 1980 | 9 | 0 |
| 1981 | 16 | 0 |
| 1982 | 9 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 2 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 0 | 4 |
| 2008 | 5 | 1 |
| 2009 | 2 | 3 |
| 2010 | 2 | 3 |
| 2011 | 1 | 2 |
| 2012 | 1 | 4 |
| 2013 | 0 | 4 |
| 2014 | 0 | 3 |
| 2015 | 6 | 3 |
| 2016 | 2 | 2 |
| 2017 | 3 | 2 |
| 2018 | 1 | 0 |
| 2019 | 3 | 1 |
| 2020 | 1 | 4 |
| 2021 | 5 | 4 |
| 2022 | 3 | 3 |
| 2023 | 2 | 4 |
| 2024 | 1 | 2 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Thermal cutoff device pellet composition6 Oct 2026US 12,755,914 B2Therm-O-Disc, Incorporated
- Contact material for thermal fuse and thermosensitive pellet-type thermal fuse using the same25 Nov 2025US 12,482,624 B2SCHOTT Japan Corporation
- Thermal cut-off device for high power applications22 Jul 2025US 12,368,013 B2Therm-O-Disc, Incorporated
- Temperature sensitive pellet-type thermal fuse15 Oct 2024US 12,119,196 B2SCHOTT Japan Corporation
- Surge protection device and modular surge protection system14 Nov 2023US 11,817,237 B2Dehn SE
- Protection circuit for an electrical installation, associated protection device and protection method30 Jul 2026US 2026/0221368 A1Mersen France Sb SAS
- Device for supplying electrical power with thermal protection26 Dec 2024US 2024/0429008 A1Safran Electrical & Power
- Thermal cut-off device for high power applications21 Mar 2024US 2024/0096577 A1Therm-O-Disc, Incorporated
- Thermal Cutoff Device Pellet Composition28 Dec 2023US 2023/0420210 A1Therm-O-Disc, Incorporated
- Contact material for thermal fuse and thermosensitive pellet-type thermal fuse using the same22 Jun 2023US 2023/0197393 A1SCHOTT Japan Corporation
Most cited
By later US patents
- Current interrupter for electrochemical cells61US 5,691,073 ADuracell Inc. · 1997
- Current interrupter for electrochemical cells50US 5,879,832 ADuracell Inc. · 1999
- Thermal and current sensing switch40US 5,014,036 AOrient Co., Ltd. · 1991
- Current interrupter for electrochemical cells37US 5,750,277 ADuracell Inc. · 1998
- Thermal cutoff construction, member therefor and methods of making the same36US 4,514,718 AEmerson Electric Co. · 1985