H01H 39/00
Switching devices actuated by an explosion produced within the device and initiated
Official title: Switching devices actuated by an explosion produced within the device and initiated by an electric current
H01H39/00 (Switching devices actuated by an explosion produced within the device and initiated) appears on 453 US grants and 450 published applications in this corpus.
Search patents in H01H- Granted patents
- 453
- Published applications
- 450
- Assignees
- 189
- Inventors
- 806
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 9 | 0 |
| 1983 | 5 | 0 |
| 1984 | 9 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 9 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 1 |
| 2002 | 9 | 1 |
| 2003 | 7 | 7 |
| 2004 | 2 | 7 |
| 2005 | 9 | 9 |
| 2006 | 5 | 3 |
| 2007 | 4 | 5 |
| 2008 | 0 | 7 |
| 2009 | 9 | 4 |
| 2010 | 5 | 9 |
| 2011 | 1 | 6 |
| 2012 | 6 | 8 |
| 2013 | 11 | 16 |
| 2014 | 9 | 7 |
| 2015 | 7 | 7 |
| 2016 | 10 | 16 |
| 2017 | 10 | 21 |
| 2018 | 13 | 15 |
| 2019 | 25 | 31 |
| 2020 | 22 | 37 |
| 2021 | 26 | 31 |
| 2022 | 29 | 42 |
| 2023 | 36 | 47 |
| 2024 | 35 | 42 |
| 2025 | 38 | 33 |
| 2026 | 14 | 38 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Protective element6 Oct 2026US 12,755,915 B2Dexerials Corporation
- Pyrotechnic fuse7 Jul 2026US 12,676,275 B2Solaredge Technologies Ltd.
- Circuit breaker30 Jun 2026US 12,671,045 B2Sensata Technologies Changzhou Co., Ltd.
- Electric circuit breaker device26 May 2026US 12,640,320 B2Daicel Corporation
- Compensation for redundant current limit architecture for safety devices26 May 2026US 12,640,691 B2Texas Instruments Incorporated
- Reversible, Pyrotechnic Contacting Device for an Onboard High-Voltage Electrical System of a Motor Vehicle1 Oct 2026US 2026/0296201 A1Bayerische Motoren Werke Aktiengesellschaft
- Adaptive fuse system24 Sep 2026US 2026/0290732 A1Lear Corporation
- Pyrotechnic circuit breaker24 Sep 2026US 2026/0290733 A1
- Electrical Circuit Breaker Device3 Sep 2026US 2026/0257561 A1Pacific Engineering Corp.
- Blocking device13 Aug 2026US 2026/0237580 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Fast acting explosive circuit interrupter66US 4,224,487 A1980
- High current intensity fuse device65US 6,556,119 B1TRW Automotive Electronics & Components GmbH & Co. KG · 2003
- Current interrupt device based on thermal activation of frangible glass bulb58US 11,094,487 B224M Technologies, Inc. · 2021
- Low melting point element fusion apparatus and circuit breaker including the same56US 6,194,988 B1Nichiyu Giken Kogyo Co., Ltd. · 2001
- Fuse device for a cable in motor vehicles55US 5,877,563 ABayerische Motoren Werke Aktiengellschaft · 1999