H01H 2009/343
With variable venting aperture function of arc chute internal pressure
Official title: {with variable venting aperture function of arc chute internal pressure, e.g. resilient flap-valve or check-valve}
H01H2009/343 (With variable venting aperture function of arc chute internal pressure) appears on 27 US grants and 14 published applications in this corpus.
Search patents in H01H- Granted patents
- 27
- Published applications
- 14
- Assignees
- 16
- Inventors
- 68
- Latest grant
- 6 Jul 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 2 |
| 2016 | 2 | 0 |
| 2017 | 1 | 3 |
| 2018 | 3 | 2 |
| 2019 | 1 | 2 |
| 2020 | 1 | 1 |
| 2021 | 2 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Trigger element of a pressure trigger, pressure trigger with a trigger element of this kind and electric switch6 Jul 2021US 11,056,297 B2Siemens Aktiengesellschaft
- Pressure trip unit for an electrical switch and electrical switch with such a pressure trip unit6 Apr 2021US 10,971,316 B2Siemens Aktiengesellschaft
- Relating to power semiconductor modules16 Jun 2020US 10,686,302 B2General Electric Technology GmbH
- Distribution panel5 Nov 2019US 10,468,861 B2Lsis Co., Ltd.
- Arc fault resistant electric equipment27 Nov 2018US 10,141,725 B2Siemens Aktiengesellschaft
- Arc gas discharge device of air circuit breaker8 May 2025US 2025/0149283 A1Ls Electric Co., Ltd.
- Trigger element of a pressure trigger, pressure trigger with a trigger element of this kind and electric switch9 Jul 2020US 2020/0219686 A1Siemens Aktiengesellschaft
- Distribution panel22 Aug 2019US 2019/0260186 A1Lsis Co., Ltd.
- Pressure trip unit for an electrical switch and electrical switch with such a pressure trip unit7 Feb 2019US 2019/0043679 A1Siemens Aktiengesellschaft
- Improvements in or relating to power semiconductor modules13 Dec 2018US 2018/0358792 A1General Electric Technology GmbH
Most cited
By later US patents
- Arc-resistant switchgear enclosure employing a toggle flap venting system52US 5,710,402 AABB Power T&D Company Inc. · 1998
- Circuit breaker with arc quenching device and vent38US 5,589,672 AFuji Electric Co., Ltd. · 1996
- Circuit breaker arc quenching device with venting structure including flapper valve27US 5,569,894 AFuji Electric Co., Ltd. · 1996
- Circuit breaker having variable arc gas venting27US 5,753,878 AGeneral Electric Company · 1998
- Protective enclosure for medium and high voltage circuit breakers27US 5,767,440 ASquare D Company · 1998