H01H 2009/348
Provisions for recirculation of arcing gasses to improve the arc extinguishing
Official title: {Provisions for recirculation of arcing gasses to improve the arc extinguishing, e.g. move the arc quicker into the arcing chamber}
H01H2009/348 (Provisions for recirculation of arcing gasses to improve the arc extinguishing) appears on 24 US grants and 27 published applications in this corpus.
Search patents in H01H- Granted patents
- 24
- Published applications
- 27
- Assignees
- 17
- Inventors
- 74
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 4 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 2 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 2 |
| 2015 | 2 | 0 |
| 2016 | 2 | 3 |
| 2017 | 1 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 3 |
| 2024 | 1 | 1 |
| 2025 | 2 | 2 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Low voltage switch pole15 Jul 2025US 12,362,113 B2ABB AB
- Arc extinguishing assembly27 May 2025US 12,315,688 B2Ls Electric Co., Ltd.
- Low voltage switch pole10 Sep 2024US 12,087,525 B2ABB AB
- Switching device16 Nov 2021US 11,177,089 B2
- Arc quenching plate and arc quenching unit with such arc quenching plate and switching device with such arc quenching unit27 Oct 2020US 10,818,445 B2
- Switch10 Sep 2026US 2026/0269149 A1Mitsubishi Electric Corporation
- Arc extinguishing chamber structure of a circuit breaker or a disconnecting switch23 Jul 2026US 2026/0213100 A1Shanghai Sieyuan Low Voltage Switch Co., Ltd.
- Electrical contactor with recirculation of ionized gases9 Jul 2026US 2026/0196427 A1Safran Electrical & Power
- Air circuit breaker having arc cover15 May 2025US 2025/0157759 A1Ls Electric Co., Ltd.
- Quenching chamber for two-way dc current9 Jan 2025US 2025/0014850 A1Safran Electrical & Power
Most cited
By later US patents
- Power switch with an ARC quenching device20US 5,731,561 ASiemens Aktiengesellschaft · 1998
- Arc chute and circuit breaker equipped with one such arc chute17US 8,519,292 B2Schneider Electric Industries SAS · 2013
- Electrical service device having an arc prechamber area, prechamber plates and a current-limiting arc-quenching device12US 7,259,646 B2ABB Patent GmbH · 2007
- Arc chute and circuit breaker equipped with one such arc chute12US 7,541,902 B2Schneider Electric Industries SAS · 2009
- Circuit breaker9US 6,573,815 B1Mitsubishi Denki Kabushiki Kaisha · 2003