H01H 71/28
With windings acting in conjunction
Official title: with windings acting in conjunction
H01H71/28 (With windings acting in conjunction) appears on 19 US grants and 14 published applications in this corpus.
Search patents in H01H- Granted patents
- 19
- Published applications
- 14
- Assignees
- 16
- Inventors
- 60
- Latest grant
- 27 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 3 |
| 2024 | 1 | 1 |
| 2025 | 2 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Circuit breaker27 May 2025US 12,311,784 B2Ellenberger & Poensgen GmbH
- Control system and interrupter system13 May 2025US 12,300,450 B2Panasonic Intellectual Property Management Co., Ltd.
- Control system and interrupter system19 Mar 2024US 11,935,712 B2Panasonic Intellectual Property Management Co., Ltd.
- Circuit breaker10 May 2022US 11,328,889 B2Ellenberger & Poensgen GmbH
- Circuit breaker29 Sep 2020US 10,790,107 B2Ellenberger & Poensgen GmbH
- Leakage protection device and electrical device27 Aug 2026US 2026/0253828 A1Sensata Technologies Changzhou Co., Ltd.
- Switching device30 Jul 2026US 2026/0221752 A1Ellenberger & Poensgen GmbH
- Control system and interrupter system31 Jul 2025US 2025/0246378 A1Panasonic Intellectual Property Management Co., Ltd.
- Control system and interrupter system30 May 2024US 2024/0177946 A1Panasonic Intellectual Property Management Co., Ltd.
- Circuit breaker22 Jun 2023US 2023/0191912 A1Ellenberger & Poensagen GmbH
Most cited
By later US patents
- Electronic circuit breaker with protection against sputtering arc faults and ground faults252US 5,224,006 AWestinghouse Electric Corp. · 1993
- Dual wound trip solenoid54US 5,260,676 AWestinghouse Electric Corp. · 1993
- Circuit breaker having an electronic fault sensing and trip initiating unit28US 4,208,693 ASquare D Company · 1980
- Electrical switching apparatus employing twice-energized trip actuator13US 6,061,217 AEaton Corporation · 2000
- Dual trip circuit for circuit breaker12US 5,369,542 ASiemens Energy & Automation, Inc. · 1994