H01H 2047/006
Detecting unwanted movement of contacts and applying pulses to coil for restoring
Official title: {Detecting unwanted movement of contacts and applying pulses to coil for restoring to normal status}
H01H2047/006 (Detecting unwanted movement of contacts and applying pulses to coil for restoring) appears on 29 US grants and 25 published applications in this corpus.
Search patents in H01H- Granted patents
- 29
- Published applications
- 25
- Assignees
- 26
- Inventors
- 62
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 2 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 2 |
| 2019 | 2 | 4 |
| 2020 | 3 | 2 |
| 2021 | 2 | 1 |
| 2022 | 2 | 1 |
| 2023 | 2 | 3 |
| 2024 | 2 | 1 |
| 2025 | 3 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Method and apparatus for handling contactor / relay contact bounce under transient conditions12 Aug 2025US 12,387,894 B2Astronics Advanced Electronic Systems Corp.
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- Contactor control30 Jan 2024US 11,887,795 B2ABB Schweiz AG
- System and method for regulating a voltage signal14 May 2026US 2026/0135052 A1Resideo LLC
- Method for actuating an electromechanical switching element14 Aug 2025US 2025/0259812 A1Phoenix Contact GmbH & Co.KG
- Method and apparatus for handling contactor / relay contact bounce under transient conditions11 Jan 2024US 2024/0013994 A1Astronics Advanced Electronic Systems Corp.
- Relay protective device, construction machine, relay protection control method and apparatus2 Nov 2023US 2023/0352257 A1Xuzhou XCMG Excavator Machinery Co., Ltd.
- Contactor control19 Oct 2023US 2023/0335359 A1ABB Schweiz AG
Most cited
By later US patents
- Relay contact monitoring system30US 5,277,244 AHunter Fan Company · 1994
- Process and apparatus for the recognition of the state of a solenoid valve21US 6,017,017 AWABCO GmbH · 2000
- Standard control device of a circuit breaker opening or closing electromagnet10US 6,504,698 B1Square D Company · 2003
- Process and apparatus for drop-off recognition in a magnetically operated device9US 6,188,562 B1WABCO GmbH · 2001
- Relay device having holding current stabilizing and limiting circuit9US 7,262,950 B2Anden Co., Ltd. · 2007