H01H 71/2472
With rotatable armatures
Official title: {with rotatable armatures}
H01H71/2472 (With rotatable armatures) appears on 109 US grants and 77 published applications in this corpus.
Search patents in H01H- Granted patents
- 109
- Published applications
- 77
- Assignees
- 46
- Inventors
- 216
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 3 |
| 2003 | 3 | 6 |
| 2004 | 8 | 4 |
| 2005 | 6 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 5 |
| 2010 | 1 | 3 |
| 2011 | 2 | 2 |
| 2012 | 4 | 1 |
| 2013 | 5 | 6 |
| 2014 | 1 | 3 |
| 2015 | 4 | 4 |
| 2016 | 6 | 8 |
| 2017 | 5 | 0 |
| 2018 | 2 | 8 |
| 2019 | 5 | 3 |
| 2020 | 7 | 5 |
| 2021 | 2 | 3 |
| 2022 | 5 | 4 |
| 2023 | 4 | 3 |
| 2024 | 0 | 0 |
| 2025 | 2 | 4 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Angular stepped U-core and armature plate system generating increased magnetic force for trip mechanism of circuit breaker26 May 2026US 12,640,324 B2Eaton Intelligent Power Limited
- Circuit breaker tripping mechanism12 May 2026US 12,626,879 B2Rockwell Automation Technologies, Inc.
- Electromechanical rotary latch for use in current interruption devices17 Feb 2026US 12,555,732 B2Sensata Technologies, Inc.
- Circuit breaker and power distribution box20 May 2025US 12,308,191 B2Huawei Digital Power Technologies Co., Ltd.
- Crossbar assembly and trip assembly comprising same15 Apr 2025US 12,278,071 B2Ls Electric Co., Ltd.
- Angular stepped u-core and armature plate system generating increased magnetic force for trip mechanism of circuit breaker2 Oct 2025US 2025/0308829 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
- Four bar linkage mechanism for circuit breaker to rotate movable conductor and operating handle in opposite directions25 Sep 2025US 2025/0299899 A1Eaton Intelligent Power Limited
- Circuit breaker tripping mechanism15 May 2025US 2025/0157772 A1Rockwell Automation Switzerland GmbH
- Electromechanical rotary latch for use in current interruption devices26 Oct 2023US 2023/0343538 A1Sensata Technologies, Inc.
Most cited
By later US patents
- Current limiting circuit breaker100US 4,255,732 AWestinghouse Electric Corp. · 1981
- Electrical ground fault receptacle assembly56US 4,719,437 AGoldstar Instrument & Electric Co., Ltd. · 1988
- Circuit breaker with adjustable magnetic trip unit32US 4,691,182 AWestinghouse Electric Corp. · 1987
- Twin unit circuit breaker with improved magnet structure24US 4,929,919 AEaton Corporation · 1990
- Thermal magnetic circuit breaker19US 6,225,881 B1General Electric Company · 2001