H01H 71/521
Details concerning the lever handle
Official title: {Details concerning the lever handle}
H01H71/521 (Details concerning the lever handle) appears on 91 US grants and 69 published applications in this corpus.
Search patents in H01H- Granted patents
- 91
- Published applications
- 69
- Assignees
- 41
- Inventors
- 207
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 3 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 0 | 2 |
| 2010 | 2 | 0 |
| 2011 | 0 | 1 |
| 2012 | 3 | 0 |
| 2013 | 0 | 5 |
| 2014 | 1 | 1 |
| 2015 | 6 | 5 |
| 2016 | 5 | 5 |
| 2017 | 5 | 3 |
| 2018 | 4 | 8 |
| 2019 | 8 | 2 |
| 2020 | 3 | 3 |
| 2021 | 3 | 7 |
| 2022 | 0 | 2 |
| 2023 | 7 | 2 |
| 2024 | 3 | 5 |
| 2025 | 3 | 7 |
| 2026 | 7 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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.
- Reverse handle accessory for molded circuit breaker12 May 2026US 12,626,878 B2Siemens Industry, Inc.
- Circuit breaker tripping mechanism12 May 2026US 12,626,879 B2Rockwell Automation Technologies, Inc.
- Circuit breaker and operating mechanism thereof14 Apr 2026US 12,603,241 B2Chint Low Voltage Electrical Technology Co., Ltd.
- Circuit breaker for electrical device and electrical system12 Feb 2026US 2026/0045435 A1Schneider Electric Industries SAS
- Actuator apparatus for electrical panel switch5 Feb 2026US 2026/0038759 A1Faraday Defense Corporation
- Circuit protection apparatus22 Jan 2026US 2026/0024714 A1Citel
- Staggering-contact airgap mechanism2 Oct 2025US 2025/0308828 A1Siemens Industry, Inc.
- Circuit breaker tripping mechanism15 May 2025US 2025/0157772 A1Rockwell Automation Switzerland GmbH
Most cited
By later US patents
- Molded case current limiting circuit breaker97US 5,260,533 AWestinghouse Electric Corp. · 1993
- Compact molded case circuit breaker having anti-turn terminal connectors26US 5,117,211 AGeneral Electric Company · 1992
- Switch24US 7,115,829 B2Moeller Gebaudeautomation GmbH · 2006
- Handle operating assembly for an electric disconnect switch17US 6,437,262 B1General Electric Company · 2002
- Circuit breaker handle and lost motion connected shield16US 4,266,209 AGould Inc. · 1981