H01H 71/52
Actuated by lever
Official title: actuated by lever
H01H71/52 (Actuated by lever) appears on 549 US grants and 343 published applications in this corpus.
Search patents in H01H- Granted patents
- 549
- Published applications
- 343
- Assignees
- 127
- Inventors
- 833
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 11 | 0 |
| 1982 | 6 | 0 |
| 1983 | 10 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 18 | 0 |
| 1987 | 12 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 8 | 0 |
| 1991 | 12 | 0 |
| 1992 | 13 | 0 |
| 1993 | 10 | 0 |
| 1994 | 14 | 0 |
| 1995 | 9 | 0 |
| 1996 | 9 | 0 |
| 1997 | 3 | 0 |
| 1998 | 9 | 0 |
| 1999 | 9 | 0 |
| 2000 | 9 | 0 |
| 2001 | 14 | 3 |
| 2002 | 18 | 21 |
| 2003 | 11 | 1 |
| 2004 | 16 | 16 |
| 2005 | 15 | 6 |
| 2006 | 8 | 6 |
| 2007 | 7 | 13 |
| 2008 | 8 | 13 |
| 2009 | 13 | 15 |
| 2010 | 10 | 5 |
| 2011 | 6 | 10 |
| 2012 | 12 | 9 |
| 2013 | 8 | 12 |
| 2014 | 7 | 8 |
| 2015 | 12 | 14 |
| 2016 | 22 | 26 |
| 2017 | 19 | 22 |
| 2018 | 19 | 22 |
| 2019 | 29 | 14 |
| 2020 | 19 | 14 |
| 2021 | 8 | 16 |
| 2022 | 9 | 11 |
| 2023 | 18 | 21 |
| 2024 | 7 | 13 |
| 2025 | 22 | 20 |
| 2026 | 12 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01H 71/522Comprising a cradle-mechanism269
- H01H 71/521Details concerning the lever handle91
- H01H 71/526The lever forming a toggle linkage with a second lever, the free70
- H01H 71/528Comprising a toggle or collapsible link between handle and contact arm45
- H01H 71/527Making use of a walking beam with one extremity latchable, the other16
- H01H 71/529Comprising an electroresponsive element forming part of the transmission chain between handle4
Recent patents
- Solid-state circuit breaker28 Jul 2026US 12,695,043 B2Schneider Electric (China) Co., Ltd.
- Reset module for handle mechanism, handle mechanism and switching device23 Jun 2026US 12,665,152 B2Schneider Electric (China) Co., Ltd.
- Transfer apparatus for dual-power transfer switch16 Jun 2026US 12,658,381 B2ABB AB
- Break mechanism for switching apparatus and switching apparatus16 Jun 2026US 12,658,386 B2Schneider Electric (China) Co., Ltd.
- 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
- Solid-state circuit breaker13 Aug 2026US 2026/0237587 A1Schneider Electric Industries SAS
- Actuating mechanism for a power circuit-breaker and power circuit-breaker23 Jul 2026US 2026/0213096 A1Eaton Intelligent Power Limited
- Circuit breaker23 Jul 2026US 2026/0213106 A1Fuji Electric Fa Components & Systems Co., Ltd.
- Circuit breaker23 Jul 2026US 2026/0213107 A1Fuji Electric Fa Components & Systems Co., Ltd.
- Circuit breaker16 Jul 2026US 2026/0204505 A1Fuji Electric Fa Components & Systems Co., Ltd.
Most cited
By later US patents
- Reset lockout for circuit interrupting device193US 6,040,967 ALeviton Manufacturing Co., Inc. · 2000
- Circuit interrupting device with reverse wiring protection161US 6,246,558 B1Leviton Manufacturing Co., Inc. · 2001
- Circuit breaker with independent trip and reset lockout128US 6,288,882 B1Leviton Manufacturing Co., Inc. · 2001
- Circuit interrupting device with reverse wiring protection118US 6,437,953 B2Leviton Manufacturing Co., Inc. · 2002
- Circuit breaker with a blocking mechanism and a blocking mechanism for a circuit breaker111US 5,543,595 AKlockner-Moeller GmbH · 1996