H01H 71/505
Latching devices between operating and release mechanism
Official title: {Latching devices between operating and release mechanism}
H01H71/505 (Latching devices between operating and release mechanism) appears on 213 US grants and 119 published applications in this corpus.
Search patents in H01H- Granted patents
- 213
- Published applications
- 119
- Assignees
- 67
- Inventors
- 367
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 0 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 10 | 1 |
| 2002 | 4 | 1 |
| 2003 | 2 | 0 |
| 2004 | 4 | 3 |
| 2005 | 5 | 5 |
| 2006 | 5 | 3 |
| 2007 | 2 | 0 |
| 2008 | 2 | 4 |
| 2009 | 1 | 5 |
| 2010 | 0 | 0 |
| 2011 | 3 | 0 |
| 2012 | 3 | 6 |
| 2013 | 8 | 15 |
| 2014 | 7 | 3 |
| 2015 | 6 | 6 |
| 2016 | 11 | 11 |
| 2017 | 6 | 9 |
| 2018 | 7 | 10 |
| 2019 | 11 | 4 |
| 2020 | 6 | 6 |
| 2021 | 5 | 2 |
| 2022 | 3 | 6 |
| 2023 | 5 | 7 |
| 2024 | 6 | 4 |
| 2025 | 6 | 4 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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.
- Circuit breakers3 Mar 2026US 12,567,550 B2Schneider Electric USA, Inc.
- Circuit breaker16 Dec 2025US 12,500,055 B2Ls Electric Co., Ltd.
- Power mechanism, switch, power conversion apparatus, and power supply system30 Sep 2025US 12,431,305 B2Huawei Digital Power Technologies Co., Ltd.
- Leakage protection device and electrical device27 Aug 2026US 2026/0253828 A1Sensata Technologies Changzhou Co., Ltd.
- Actuating mechanism for a power circuit-breaker and power circuit-breaker23 Jul 2026US 2026/0213096 A1Eaton Intelligent Power Limited
- Electrical device with movable hardstop14 May 2026US 2026/0135055 A1Sensata Technologies, Inc.
- Shallow electrical protection device (gfci, afci, and afci/gfci) system and method8 Jan 2026US 2026/0011962 A1
- Staggering-contact airgap mechanism2 Oct 2025US 2025/0308828 A1Siemens Industry, Inc.
Most cited
By later US patents
- Circuit breaker with high electrodynamic strength and breaking capacity98US 6,018,284 ASchneider Electric Industries SAS · 2000
- Molded case current limiting circuit breaker97US 5,260,533 AWestinghouse Electric Corp. · 1993
- Operating mechanism of a low voltage electric circuit breaker93US 4,401,872 AMerlin Gerin · 1983
- Circuit breaker including improved handle indication of contact position92US 5,120,921 ASiemens Energy & Automation, Inc. · 1992
- Molded case circuit breaker multi-pole crossbar assembly88US 5,262,744 AGeneral Electric Company · 1993