H01H 2003/3089
Devices for manual releasing of locked charged spring motor
Official title: {Devices for manual releasing of locked charged spring motor; Devices for remote releasing}
H01H2003/3089 (Devices for manual releasing of locked charged spring motor) appears on 37 US grants and 20 published applications in this corpus.
Search patents in H01H- Granted patents
- 37
- Published applications
- 20
- Assignees
- 21
- Inventors
- 92
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 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 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 2 |
| 2002 | 2 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 2 |
| 2017 | 3 | 0 |
| 2018 | 0 | 1 |
| 2019 | 2 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 8 |
| 2024 | 1 | 0 |
| 2025 | 5 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Switch system28 Apr 2026US 12,614,684 B2ABB Schweiz AG
- Energy storage status monitoring structure and rotary switch16 Dec 2025US 12,500,051 B2Huawei Digital Power Technologies Co., Ltd.
- Opening switch and remote circuit breaker11 Nov 2025US 12,469,654 B2Huawei Digital Power Technologies Co., Ltd.
- Rotary switch27 May 2025US 12,315,687 B2Huawei Digital Power Technologies Co., Ltd.
- Switch system27 May 2025US 12,315,689 B2ABB Schweiz AG
- Fast closing of a remotely operated circuit breaker18 Jun 2026US 2026/0171330 A1Schneider Electric USA, Inc.
- Remotely-controlled rotary disconnecting switch28 Aug 2025US 2025/0273414 A1Chint Low Voltage Electrical Technology Co., Ltd.
- Quick-Set Clevis Joint for a Three-Phase Electric Disconnect Switch Linkage21 Sep 2023US 2023/0298836 A1Southern States, LLC
- Scissor-link for actuator pull-open function22 Jun 2023US 2023/0197375 A1S&C Electric Company
- Energy storage status monitoring structure and rotary switch25 May 2023US 2023/0162930 A1Huawei Digital Power Technologies Co., Ltd.
Most cited
By later US patents
- Electrical switching apparatus with modular operating mechanism for mounting and controlling large compression close spring27US 6,072,136 AEaton Corporation · 2000
- Disengageable charging mechanism for spring powered electrical switching apparatus22US 5,938,008 AEaton Corporation · 1999
- Operating mechanism for use in a circuit breaker20US 4,409,449 ATokyo Shibaura Denki Kabushiki Kaisha · 1983
- Circuit breaker apparatus including jack shaft support19US 4,163,133 AWestinghouse Electric Corp. · 1979
- Circuit breaker having multiple spring actuating mechanisms13US 4,251,702 AGeneral Electric Company · 1981