H01H 33/20
Using arcing horns
Official title: using arcing horns (using blow-out magnet H01H33/18)
H01H33/20 (Using arcing horns) appears on 25 US grants and 26 published applications in this corpus.
Search patents in H01H- Granted patents
- 25
- Published applications
- 26
- Assignees
- 21
- Inventors
- 70
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 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 | 0 |
| 2013 | 0 | 5 |
| 2014 | 1 | 4 |
| 2015 | 6 | 5 |
| 2016 | 3 | 1 |
| 2017 | 3 | 2 |
| 2018 | 2 | 0 |
| 2019 | 1 | 2 |
| 2020 | 2 | 2 |
| 2021 | 2 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 3 |
| 2024 | 0 | 0 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High voltage disconnect switch with switch interrupter having an actuating arm actuated by an arc horn with a spring catch12 Aug 2025US 12,387,888 B2Cleaveland/Price Inc.
- Arc chute energy bypass in circuit breakers29 Apr 2025US 12,288,655 B2Eaton Intelligent Power Limited
- Electric switch limiter pole and DC electric switch comprising such a limiter pole28 Sep 2021US 11,133,138 B2Schneider Electric Industries SAS
- Electrical interruption device10 Aug 2021US 11,087,940 B2S&C Electric Company
- In-line motorized double break disconnect switch14 Apr 2020US 10,622,175 B2Cleaveland/Price Inc.
- Switching device for a medium-voltage electric unit28 May 2026US 2026/0148913 A1Schneider Electric Industries SAS
- Switching device6 Feb 2025US 2025/0046547 A1Mitsubishi Electric Corporation
- High voltage disconnect switch with switch interrupter having an actuating arm actuated by an arc horn with a spring catch13 Jul 2023US 2023/0223220 A1Cleaveland/Price Inc.
- Electromagnetic contactor13 Jul 2023US 2023/0223223 A1Fuji Electric Fa Components & Systems Co., Ltd.
- Arc chute energy bypass in circuit breakers29 Jun 2023US 2023/0207239 A1Eaton Intelligent Power Limited
Most cited
By later US patents
- Electrical interruption device9US 11,087,940 B2S&C Electric Company · 2021
- Arc chamber for bi-directional DC6US 9,006,601 B2Eaton Corporation · 2015
- Arc runners suitable for DC molded case circuit breakers and related methods5US 9,029,727 B2Eaton Corporation · 2015
- Vacuum-type circuit interrupter with a plurality of sets of contacts in parallel4US 3,969,598 AGeneral Electric Company · 1976
- Switch unit with arc-extinguishing units4US 8,921,728 B2Eaton Electrical IP GmbH & Co. KG · 2014