H01H 9/043
With pressure-relief devices
Official title: {with pressure-relief devices}
H01H9/043 (With pressure-relief devices) appears on 14 US grants and 15 published applications in this corpus.
Search patents in H01H- Granted patents
- 14
- Published applications
- 15
- Assignees
- 12
- Inventors
- 51
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 2 |
| 2018 | 1 | 1 |
| 2019 | 2 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 2 |
| 2022 | 0 | 3 |
| 2023 | 3 | 2 |
| 2024 | 2 | 0 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Relay having a pressure relief valve assembly2 Dec 2025US 12,488,954 B2Xiamen Hongfa Electric Power Controls Co., Ltd.
- Switching devices incorporating rupture disk13 May 2025US 12,300,456 B2Gigavac, LLC
- Protective housing in the explosion protection category flameproof enclosure3 Dec 2024US 12,157,028 B2R. Stahl Schaltgeräte GmbH
- Levitation fuse device12 Nov 2024US 12,142,444 B2Gigavac, LLC
- Electromagnetic contactor12 Dec 2023US 11,842,865 B2Fuji Electric Fa Components & Systems Co., Ltd.
- Relay12 Feb 2026US 2026/0045432 A1Xiamen Hongfa Electric Power Controls Co., Ltd.
- Explosion-proof housing and electrical device23 Jan 2025US 2025/0031323 A1Sungrow (Shanghai) Co., Ltd.
- Relay19 Oct 2023US 2023/0335360 A1Xiamen Hongfa Electric Power Controls Co., Ltd.
- Mechanical spark containment for disconnector20 Jul 2023US 2023/0231374 A1Hubbell Incorporated
- Protective housing in the explosion protection category flameproof enclosure16 Jun 2022US 2022/0184435 A1R. Stahl Schaltgeräte GmbH
Most cited
By later US patents
- Vented plastic enclosure for arcing devices22US 4,260,863 A1981
- Power relay for a vehicle4US 10,366,852 B2Ellenberger & Poensgen GmbH · 2019
- Electromagnetic contact device4US 8,487,725 B2Fuji Electric Fa Components & Systems Co., Ltd. · 2013
- Pressure-controlled electrical relay device4US 9,865,419 B2Te Connectivity Corporation · 2018
- Switch element with an opening for use in a potentially explosive area2US 10,283,286 B2Tyco Electronics Austria GmbH · 2019