H01H 73/18
Means for extinguishing or suppressing arc
Official title: Means for extinguishing or suppressing arc {(magnet coil acting as blow-out device H01H71/38)}
H01H73/18 (Means for extinguishing or suppressing arc) appears on 198 US grants and 153 published applications in this corpus.
Search patents in H01H- Granted patents
- 198
- Published applications
- 153
- Assignees
- 82
- Inventors
- 442
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 7 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 2 |
| 2004 | 2 | 0 |
| 2005 | 1 | 2 |
| 2006 | 5 | 3 |
| 2007 | 3 | 6 |
| 2008 | 0 | 1 |
| 2009 | 2 | 5 |
| 2010 | 3 | 1 |
| 2011 | 1 | 5 |
| 2012 | 2 | 2 |
| 2013 | 2 | 4 |
| 2014 | 3 | 7 |
| 2015 | 6 | 8 |
| 2016 | 8 | 6 |
| 2017 | 4 | 10 |
| 2018 | 15 | 7 |
| 2019 | 12 | 3 |
| 2020 | 5 | 12 |
| 2021 | 7 | 8 |
| 2022 | 11 | 7 |
| 2023 | 6 | 19 |
| 2024 | 10 | 13 |
| 2025 | 9 | 11 |
| 2026 | 13 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Arc extinguishing unit and air circuit breaker comprising same25 Aug 2026US 12,718,996 B2Ls Electric Co., Ltd.
- Deflection member, breaking module, and contactor4 Aug 2026US 12,700,558 B2Schneider Electric Industries SAS
- Air-blowing tripping mechanism and molded case circuit breaker14 Jul 2026US 12,683,108 B2Zhejiang Chint Electrics Co., Ltd.
- Interrupter and air circuit breaker comprising same2 Jun 2026US 12,646,675 B2Ls Electric Co., Ltd.
- Breaker unit and air circuit breaker comprising same21 Apr 2026US 12,609,255 B2Ls Electric Co., Ltd.
- Switch10 Sep 2026US 2026/0269149 A1Mitsubishi Electric Corporation
- Circuit breaker, power converter, energy storage system, and electric vehicle6 Aug 2026US 2026/0229429 A1Huawei Digital Power Technologies Co., Ltd.
- A cassette casing unit of a moulded case circuit breaker (mccb)23 Jul 2026US 2026/0213099 A1Havells India Limited
- Arc extinguishing chamber structure of a circuit breaker or a disconnecting switch23 Jul 2026US 2026/0213100 A1Shanghai Sieyuan Low Voltage Switch Co., Ltd.
- Circuit breaker23 Jul 2026US 2026/0213106 A1Fuji Electric Fa Components & Systems Co., Ltd.
Most cited
By later US patents
- Molded case circuit breaker with removable arc chutes and disengageable transmission system between the operating mechanism and the poles116US 4,764,650 AMerlin Gerin · 1988
- Low voltage circuit breaker with multiple contacts for high currents111US 5,210,385 A1993
- Industrial-rated circuit breaker having universal application89US 5,361,052 AGeneral Electric Company · 1994
- Remotely controllable circuit breaker with improved arc drive structure48US 5,164,693 AElectric Power Research Institute, Inc. · 1992
- Circuit breaker44US 4,616,200 ASquare D Company · 1986