H01H 33/38
Using electromagnet
Official title: using electromagnet
H01H33/38 (Using electromagnet) appears on 95 US grants and 98 published applications in this corpus.
Search patents in H01H- Granted patents
- 95
- Published applications
- 98
- Assignees
- 43
- Inventors
- 271
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 3 |
| 2009 | 1 | 3 |
| 2010 | 1 | 3 |
| 2011 | 3 | 1 |
| 2012 | 1 | 10 |
| 2013 | 4 | 4 |
| 2014 | 6 | 5 |
| 2015 | 6 | 10 |
| 2016 | 7 | 6 |
| 2017 | 7 | 5 |
| 2018 | 3 | 1 |
| 2019 | 4 | 8 |
| 2020 | 7 | 9 |
| 2021 | 8 | 7 |
| 2022 | 7 | 9 |
| 2023 | 9 | 0 |
| 2024 | 4 | 7 |
| 2025 | 2 | 3 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Arrangement and method for automatically configuring a magnetic drive6 Oct 2026US 12,755,912 B2Siemens Aktiengesellschaft
- Switch arrangement and method for operating a switch arrangement25 Aug 2026US 12,718,999 B2Siemens Aktiengesellschaft
- Monitoring system for a mechanically driven circuit breaker12 May 2026US 12,625,181 B2ABB Schweiz AG
- Apparatus and method for use in a power delivery system1 Apr 2025US 12,266,916 B2Hawker Siddeley Switchgear Limited
- Solid state high power battery disrupter25 Feb 2025US 12,237,124 B2Joyson Safety Systems Acquisition LLC
- Electrical contactor with recirculation of ionized gases9 Jul 2026US 2026/0196427 A1Safran Electrical & Power
- Driving mechanism and operating device for an electrical switch2 Apr 2026US 2026/0094774 A1Eaton Intelligent Power Limited
- Rotary thomson coil actuator for 2- and 3-phase ultra-fast circuit interrupters25 Sep 2025US 2025/0299891 A1Eaton Intelligent Power Limited
- Magnetic actuator28 Aug 2025US 2025/0273411 A1G & W Electric Company
- Switch arrangement and method for operating a switch arrangement8 May 2025US 2025/0149275 A1Siemens Aktiengesellschaft
Most cited
By later US patents
- Modular, high-voltage, three phase recloser assembly54US 6,198,062 B1Joslyn Hi-Voltage Corporation · 2001
- Bistable magnetic actuator for a medium voltage circuit breaker21US 8,692,636 B2ABB Technology AG · 2014
- Electromagnetic actuator with magnetic latching and switching device comprising one such actuator19US 8,912,871 B2Schneider Electric Industries SAS · 2014
- Multi-phase vacuum switch arrangement including an electromagnet actuating mechanism17US 6,156,989 ARockwell Technologies, LLC · 2000
- Switchgear operating mechanism14US 9,508,514 B2Kabushiki Kaisha Toshiba · 2016