H01H 2009/365
Using u-shaped plates
Official title: {using U-shaped plates}
H01H2009/365 (Using u-shaped plates) appears on 48 US grants and 54 published applications in this corpus.
Search patents in H01H- Granted patents
- 48
- Published applications
- 54
- Assignees
- 28
- Inventors
- 137
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 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 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 5 |
| 2009 | 2 | 3 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 2 |
| 2014 | 3 | 2 |
| 2015 | 2 | 5 |
| 2016 | 4 | 2 |
| 2017 | 2 | 2 |
| 2018 | 4 | 2 |
| 2019 | 1 | 0 |
| 2020 | 5 | 4 |
| 2021 | 2 | 5 |
| 2022 | 3 | 1 |
| 2023 | 4 | 2 |
| 2024 | 1 | 7 |
| 2025 | 0 | 4 |
| 2026 | 5 | 4 |
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.
- Circuit breaking unit and air circuit breaker including same5 May 2026US 12,620,536 B2Ls Electric Co., Ltd.
- Arc chute and load switch comprising same17 Feb 2026US 12,555,727 B2Ls Electric Co., Ltd.
- Arc chute and load break switch including same17 Feb 2026US 12,555,728 B2Ls Electric Co., Ltd.
- Arc extinguishing unit, interruption unit, and air circuit breaker comprising same17 Feb 2026US 12,555,733 B2Ls Electric Co., Ltd.
- 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.
- Switching unit21 May 2026US 2026/0142096 A1Ellenberger & Poensgen GmbH
- Electric switch30 Apr 2026US 2026/0120970 A1
- Arc-extinguishing mechanism7 Aug 2025US 2025/0253114 A1Chint Low Voltage Electrical Technology Co., Ltd.
Most cited
By later US patents
- Rapid electric-arc extinguishing assembly in circuit-breaking devices such as electric circuit breakers143US 4,375,021 AGeneral Electric Company · 1983
- ARC baffle, and ARC chute assembly and electrical switching apparatus employing the same22US 7,488,915 B2Eaton Corporation · 2009
- Arc chute assembly for circuit breaker20US 4,612,426 AWestinghouse Electric Corp. · 1986
- Gassing insulator, and arc chute assembly and electrical switching apparatus employing the same18US 7,674,996 B2Eaton Corporation · 2010
- Arc chute assembly for a circuit breaker16US 7,705,263 B2General Electric Company · 2010