H01H 71/128
Manual release or trip mechanisms
Official title: {Manual release or trip mechanisms, e.g. for test purposes (two similar push buttons for closing or resetting and opening or tripping H01H71/58; test switches for earth fault circuit breakers H01H83/04)}
H01H71/128 (Manual release or trip mechanisms) appears on 164 US grants and 104 published applications in this corpus.
Search patents in H01H- Granted patents
- 164
- Published applications
- 104
- Assignees
- 63
- Inventors
- 306
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 8 | 1 |
| 2002 | 3 | 1 |
| 2003 | 2 | 2 |
| 2004 | 3 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 3 |
| 2007 | 1 | 0 |
| 2008 | 2 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 2 |
| 2011 | 2 | 2 |
| 2012 | 1 | 6 |
| 2013 | 6 | 5 |
| 2014 | 3 | 0 |
| 2015 | 3 | 3 |
| 2016 | 4 | 8 |
| 2017 | 7 | 10 |
| 2018 | 8 | 17 |
| 2019 | 14 | 8 |
| 2020 | 11 | 10 |
| 2021 | 6 | 2 |
| 2022 | 7 | 5 |
| 2023 | 5 | 5 |
| 2024 | 3 | 6 |
| 2025 | 8 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Press type mechanical switching mechanism and circuit breaker12 May 2026US 12,626,874 B2Schneider Electric (China) Co., Ltd.
- Extension handle assembly for motor protective circuit breaker and motor protective circuit breaker5 Aug 2025US 12,381,059 B2Schneider Electronics Industries SAS
- Method of manufacturing a modular electrical wiring device system13 May 2025US 12,300,955 B2
- Crossbar assembly and trip assembly comprising same15 Apr 2025US 12,278,071 B2Ls Electric Co., Ltd.
- Switchgear with manual trip assembly and mechanical interlock1 Apr 2025US 12,266,488 B2G & W Electric Company
- Switching device30 Jul 2026US 2026/0221752 A1Ellenberger & Poensgen GmbH
- Remote Shutoff Device for Circuit Protector Switch30 Apr 2026US 2026/0120968 A1
- Switchgear with manual trip assembly and mechanical interlock17 Jul 2025US 2025/0232933 A1G & W Electric Company
- Press type mechanical switching mechanism and circuit breaker20 Mar 2025US 2025/0095929 A1Schneider Electric (China) Co., Ltd.
- Latching module for electrical device and contactor comprising the latching module23 Jan 2025US 2025/0029805 A1Schneider Electric Industries SAS
Most cited
By later US patents
- Electrical wiring device with high current USB charging capabilities99US 8,758,031 B2Pass & Seymour, Inc. · 2014
- Circuit breaker91US 5,457,295 AMitsubishi Denki Kabushiki Kaisha · 1995
- Molded case circuit breaker with current flow indicating handle mechanism73US 6,194,983 B1Eaton Corporation · 2001
- Modular electrical wiring device system62US 9,620,945 B2Pass & Seymour, Inc. · 2017
- Circuit breaker with a dual test button mechanism60US 6,259,340 B1General Electric Company · 2001