H01H 47/226
For bistable relays
Official title: {for bistable relays}
H01H47/226 (For bistable relays) appears on 111 US grants and 72 published applications in this corpus.
Search patents in H01H- Granted patents
- 111
- Published applications
- 72
- Assignees
- 89
- Inventors
- 241
- Latest grant
- 17 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 3 | 4 |
| 2005 | 2 | 0 |
| 2006 | 0 | 5 |
| 2007 | 3 | 3 |
| 2008 | 0 | 1 |
| 2009 | 3 | 2 |
| 2010 | 3 | 3 |
| 2011 | 2 | 0 |
| 2012 | 2 | 3 |
| 2013 | 1 | 3 |
| 2014 | 2 | 3 |
| 2015 | 2 | 8 |
| 2016 | 2 | 4 |
| 2017 | 5 | 3 |
| 2018 | 6 | 4 |
| 2019 | 4 | 4 |
| 2020 | 3 | 2 |
| 2021 | 3 | 3 |
| 2022 | 2 | 7 |
| 2023 | 4 | 4 |
| 2024 | 6 | 1 |
| 2025 | 1 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Relay control apparatus17 Jun 2025US 12,334,290 B2GS Yuasa International Ltd.
- Relay protective device, construction machine, relay protection control method and apparatus1 Oct 2024US 12,106,916 B2Xuzhou XCMG Excavator Machinery Co., Ltd.
- Apparatus for separating power net using latch relay and method thereof10 Sep 2024US 12,087,530 B2Hyundai Motor Company
- Systems and methods for automation of cockpit switches13 Aug 2024US 12,060,158 B2Lockheed Martin Corporation
- Power supply system, and uninterruptible power supply including a power supply system7 May 2024US 11,979,056 B2ABB Schweiz AG
- Leakage protection devices, electrical connection equipment and electrical appliances3 Jul 2025US 2025/0219391 A1
- Drive circuits for magnetic latching relays19 Jun 2025US 2025/0201501 A1Eaton Intelligent Power Limited
- Electromagnetic relay2 Jan 2025US 2025/0006445 A1System Design Corp.
- Relay control apparatus25 Jan 2024US 2024/0029981 A1GS Yuasa International Ltd.
- Relay protective device, construction machine, relay protection control method and apparatus2 Nov 2023US 2023/0352257 A1Xuzhou XCMG Excavator Machinery Co., Ltd.
Most cited
By later US patents
- Integrated latching actuators68US 4,409,638 A1983
- Low power, leakage current switching circuit45US 4,874,962 A1989
- Automatically switched power receptacle44US 5,281,859 AMolex Incorporated · 1994
- Circuit arrangement for the control of a bistable relay40US 4,257,081 AMatsushita Electric Works, Ltd. · 1981
- Law energy solenoid energizer39US 5,347,421 A1994