H01H 2009/543
Third parallel branch comprising an energy absorber
Official title: {third parallel branch comprising an energy absorber, e.g. MOV, PTC, Zener}
H01H2009/543 (Third parallel branch comprising an energy absorber) appears on 140 US grants and 166 published applications in this corpus.
Search patents in H01H- Granted patents
- 140
- Published applications
- 166
- Assignees
- 65
- Inventors
- 305
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 2 | 1 |
| 2012 | 0 | 4 |
| 2013 | 3 | 4 |
| 2014 | 2 | 2 |
| 2015 | 2 | 5 |
| 2016 | 2 | 9 |
| 2017 | 3 | 3 |
| 2018 | 5 | 6 |
| 2019 | 11 | 15 |
| 2020 | 4 | 25 |
| 2021 | 18 | 7 |
| 2022 | 21 | 19 |
| 2023 | 14 | 20 |
| 2024 | 15 | 16 |
| 2025 | 8 | 12 |
| 2026 | 12 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hybrid circuit breaker using a transient commutation current injector circuit11 Aug 2026US 12,706,451 B2Illinois Institute of Technology
- Switch system28 Apr 2026US 12,614,684 B2ABB Schweiz AG
- Circuit breaker and power supply system7 Apr 2026US 12,597,579 B2Huawei Digital Power Technologies Co., Ltd.
- Direct current circuit breaker31 Mar 2026US 12,592,566 B2Mitsubishi Electric Corporation
- Semiconductor-based DC transfer switch10 Mar 2026US 12,573,567 B2Siemens Industry, Inc.
- Hybrid switch assembly and circuit interrupter including the same17 Sep 2026US 2026/0279700 A1Eaton Intelligent Power Limited
- Electric switching device6 Aug 2026US 2026/0230069 A1Eaton Intelligent Power Limited
- Switching device30 Jul 2026US 2026/0221753 A1Ellenberger & Poensgen GmbH
- Micro-electromechanical switch systems with self-testing capability25 Jun 2026US 2026/0177619 A1Analog Devices International Unlimited Company
- Micro-electromechanical switch systems with diagnostic capability using digital model25 Jun 2026US 2026/0177620 A1Analog Devices International Unlimited Company
Most cited
By later US patents
- Hybrid D.C. power controller71US 4,420,784 AEaton Corporation · 1983
- Current commutation circuit58US 4,723,187 AGeneral Electric Company · 1988
- Solid state current limiting circuit interrupter39US 4,700,256 AGeneral Electric Company · 1987
- Curcuit breaker and circuit breaking apparatus36US 5,650,901 AMitsubishi Denki Kabushiki Kaisha · 1997
- Gate turn-off control circuit for a solid state circuit interrupter35US 4,631,621 AGeneral Electric Company · 1986