H01H 9/346
Details concerning the arc formation chamber
Official title: {Details concerning the arc formation chamber}
H01H9/346 (Details concerning the arc formation chamber) appears on 88 US grants and 109 published applications in this corpus.
Search patents in H01H- Granted patents
- 88
- Published applications
- 109
- Assignees
- 46
- Inventors
- 239
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 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 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 3 |
| 2007 | 2 | 0 |
| 2008 | 0 | 3 |
| 2009 | 1 | 4 |
| 2010 | 1 | 3 |
| 2011 | 2 | 2 |
| 2012 | 5 | 2 |
| 2013 | 2 | 10 |
| 2014 | 5 | 7 |
| 2015 | 8 | 2 |
| 2016 | 3 | 6 |
| 2017 | 7 | 6 |
| 2018 | 4 | 5 |
| 2019 | 8 | 6 |
| 2020 | 3 | 6 |
| 2021 | 5 | 4 |
| 2022 | 5 | 4 |
| 2023 | 3 | 5 |
| 2024 | 5 | 13 |
| 2025 | 6 | 12 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Deflection member, breaking module, and contactor4 Aug 2026US 12,700,558 B2Schneider Electric Industries SAS
- Device for extinguishing arcs in an electrical circuit14 Jul 2026US 12,683,097 B2ABB Schweiz AG
- Interrupter and air circuit breaker comprising same2 Jun 2026US 12,646,675 B2Ls Electric Co., Ltd.
- Circuit breaking unit and air circuit breaker including same5 May 2026US 12,620,536 B2Ls Electric Co., Ltd.
- Two-electric-pole circuit breaker actuated by a common pyrotechnic device21 Apr 2026US 12,609,258 B2Safran Electrical & Power
- Switch10 Sep 2026US 2026/0269149 A1Mitsubishi Electric Corporation
- Fixed contact part and breaker including same23 Jul 2026US 2026/0213104 A1Ls Electric Co., Ltd.
- Electrical contactor with recirculation of ionized gases9 Jul 2026US 2026/0196427 A1Safran Electrical & Power
- Switching unit21 May 2026US 2026/0142096 A1Ellenberger & Poensgen GmbH
- Arcing exhaust gas removal for circuit breakers25 Dec 2025US 2025/0391624 A1Eaton Intelligent Power Limited
Most cited
By later US patents
- Arc extinguisher assembly for molded case circuit breaker24US 7,186,941 B2LS Industrial Systems Co., Ltd. · 2007
- Arc chute and circuit breaker equipped with one such arc chute17US 8,519,292 B2Schneider Electric Industries SAS · 2013
- Pole for a low-voltage limiting electrical power circuit breaker and a circuit breaker equipped with such a pole14US 6,373,016 B1Schneider Electric Industries SAS · 2002
- Electrical switchgear apparatus comprising an arc extinguishing chamber equipped with deionizing fins13US 6,794,595 B2Schneider Electric Industries SAS · 2004
- Switching device, in particular a power switching device, having two pairs of series-connected switching contacts for interrupting a conducting path13US 7,902,948 B2Siemens Aktiengesellschaft · 2011