H01H 9/32
Insulating body insertable between contacts
H01H9/32 (Insulating body insertable between contacts) appears on 144 US grants and 113 published applications in this corpus.
Search patents in H01H- Granted patents
- 144
- Published applications
- 113
- Assignees
- 95
- Inventors
- 333
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 2 |
| 2003 | 3 | 0 |
| 2004 | 2 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 3 |
| 2007 | 1 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 0 |
| 2010 | 3 | 3 |
| 2011 | 2 | 1 |
| 2012 | 0 | 3 |
| 2013 | 0 | 1 |
| 2014 | 2 | 8 |
| 2015 | 4 | 5 |
| 2016 | 4 | 3 |
| 2017 | 4 | 5 |
| 2018 | 4 | 4 |
| 2019 | 7 | 5 |
| 2020 | 7 | 13 |
| 2021 | 9 | 8 |
| 2022 | 7 | 8 |
| 2023 | 7 | 7 |
| 2024 | 9 | 11 |
| 2025 | 6 | 7 |
| 2026 | 5 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Overvoltage protection device and method of manufacturing such a device7 Apr 2026US 12,597,540 B2Citel
- Pyrotechnic circuit breaker31 Mar 2026US 12,592,351 B2Astotec Automotive GmbH
- High voltage DC contactor isolation via electromechanical actuation10 Mar 2026US 12,573,570 B2Hamilton Sundstrand Corporation
- Switch pole for electrical systems8 Oct 2026US 2026/0311939 A1
- Electrical Circuit Breaker Device3 Sep 2026US 2026/0257561 A1Pacific Engineering Corp.
- Power contactor having an electric arc clarification screen, and aircraft comprising such a power contactor13 Aug 2026US 2026/0237579 A1Safran Electrical & Power
- Electric switch and electric switch assembly30 Jul 2026US 2026/0221358 A1
- Protection circuit for an electrical installation, associated protection device and protection method30 Jul 2026US 2026/0221368 A1Mersen France Sb SAS
Most cited
By later US patents
- Circuit protection device91US 6,430,019 B1Ferraz · 2002
- Low-voltage limiting circuit breaker with leaktight extinguishing chamber90US 4,943,691 AMerlin Gerin · 1990
- Fast acting explosive circuit interrupter66US 4,224,487 A1980
- System for remotely controlling energy distribution at local sites49US 7,324,876 B2Yingco Electronic Inc. · 2008
- Circuit breakers with PTC (Positive Temperature Coefficient resistivity38US 5,886,860 ASquare D Company · 1999