H01H 9/563
For multipolar switches
Official title: {for multipolar switches, e.g. different timing for different phases, selecting phase with first zero-crossing}
H01H9/563 (For multipolar switches) appears on 139 US grants and 124 published applications in this corpus.
Search patents in H01H- Granted patents
- 139
- Published applications
- 124
- Assignees
- 50
- Inventors
- 273
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 1 |
| 2003 | 4 | 2 |
| 2004 | 1 | 3 |
| 2005 | 5 | 5 |
| 2006 | 2 | 2 |
| 2007 | 2 | 3 |
| 2008 | 3 | 3 |
| 2009 | 2 | 3 |
| 2010 | 3 | 7 |
| 2011 | 3 | 5 |
| 2012 | 3 | 5 |
| 2013 | 5 | 6 |
| 2014 | 2 | 6 |
| 2015 | 4 | 5 |
| 2016 | 8 | 7 |
| 2017 | 9 | 5 |
| 2018 | 3 | 6 |
| 2019 | 12 | 7 |
| 2020 | 3 | 14 |
| 2021 | 3 | 7 |
| 2022 | 16 | 4 |
| 2023 | 9 | 7 |
| 2024 | 3 | 6 |
| 2025 | 3 | 4 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of performing circuit opening and closing operation, computer program, control system and power system25 Aug 2026US 12,717,285 B2ABB Schweiz AG
- Reducing inrush current to a capacitor bank24 Feb 2026US 12,562,564 B2ABB Schweiz AG
- Hybrid circuit breaker and pre-charge control method6 Jan 2026US 12,519,303 B2Delta Electronics, Inc.
- Method of performing circuit opening and closing operation, computer program, control system and power system30 Dec 2025US 12,512,280 B2ABB Schweiz AG
- Determination of electrical making instants using load voltage for coupled loads19 Aug 2025US 12,394,578 B2Hitachi Energy Ltd
- Circuit breaker device and method2 Jul 2026US 2026/0188994 A1Siemens Aktiengesellschaft
- Reducing Transformer Inrush Current18 Dec 2025US 2025/0385513 A1ABB Schweiz AG
- Relay contact wear reduction for electric vehicle supply equipment5 Jun 2025US 2025/0182991 A1
- Hybrid circuit breaker and pre-charge control method27 Mar 2025US 2025/0105613 A1Delta Electronics, Inc.
- Systems and methods for automatically configuring point-on-wave settings in a relay device23 Jan 2025US 2025/0029801 A1Rockwell Automation Technologies, Inc.
Most cited
By later US patents
- Adaptive sequential controller79US 5,361,184 AThe Board of Regents of the University of Washington · 1994
- Adaptive sequential controller with minimum switching energy62US 5,644,463 AUniversity of Washington · 1997
- Method and circuit for controlling a hybrid contactor61US 4,356,525 AGeneral Electric Company · 1982
- Apparatus for controlling opening and closing timings of a switching device in an electric power system61US 5,563,459 AHitachi, Ltd. · 1996
- Synchronous contactor44US 5,559,426 AEaton Corporation · 1996