H01H 71/68
Actuated by electromagnet
Official title: actuated by electromagnet
H01H71/68 (Actuated by electromagnet) appears on 65 US grants and 31 published applications in this corpus.
Search patents in H01H- Granted patents
- 65
- Published applications
- 31
- Assignees
- 38
- Inventors
- 133
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 1 |
| 2002 | 3 | 2 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 3 |
| 2014 | 1 | 2 |
| 2015 | 3 | 2 |
| 2016 | 2 | 0 |
| 2017 | 3 | 2 |
| 2018 | 1 | 3 |
| 2019 | 2 | 2 |
| 2020 | 0 | 1 |
| 2021 | 2 | 1 |
| 2022 | 1 | 0 |
| 2023 | 2 | 2 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ground fault circuit interrupter device and related electrical connection devices and electrical appliances15 Sep 2026US 12,738,438 B2
- Self-powered recloser27 Aug 2024US 12,074,004 B2ABB Schweiz AG
- Reclosing switch capable of stably opening and closing12 Dec 2023US 11,842,869 B2Nanjing Tianzhuo Electrical Technology Co., Ltd
- Switch assemblies, rail-mounted lift systems, and rail-mounted lift units having emergency stop devices20 Jun 2023US 11,679,962 B2Liko Research & Development AB
- Trip free relay27 Sep 2022US 11,456,139 B2Rockwell Automation Technologies, Inc.
- Ground fault circuit interrupter device and related electrical connection devices and electrical appliances2 Apr 2026US 2026/0094780 A1
- Self-Powered Recloser12 Oct 2023US 2023/0326700 A1ABB Schweiz AG
- Reclosing switch capable of stably opening and closing9 Feb 2023US 2023/0038060 A1Nanjing Tianzhuo Electrical Technology Co., Ltd
- Trip free relay10 Jun 2021US 2021/0175037 A1Rockwell Automation Technologies, Inc.
- Switch assemblies, rail-mounted lift systems, and rail-mounted lift units having emergency stop devices3 Dec 2020US 2020/0377347 A1Liko Research & Development AB
Most cited
By later US patents
- Trip mechanism for an overload relay58US 6,020,801 ASiemens Energy & Automation, Inc. · 2000
- Power manageable circuit breaker57US 4,272,687 A1981
- Circuit breaker35US 5,815,363 ADefond Manufacturing Limited · 1998
- Circuit breaker remote closing operator26US 5,534,833 AGeneral Electric Company · 1996
- Remote controlled overload protective switch25US 5,381,121 AEllenberger & Poensgen GmbH · 1995