H01H 21/54
Lever switches with blade-type contact co-operating with one or two spring-clip contacts
Official title: Lever switches with blade-type contact co-operating with one or two spring-clip contacts, e.g. knife switch
H01H21/54 (Lever switches with blade-type contact co-operating with one or two spring-clip contacts) appears on 61 US grants and 45 published applications in this corpus.
Search patents in H01H- Granted patents
- 61
- Published applications
- 45
- Assignees
- 40
- Inventors
- 109
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 3 | 2 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 3 | 3 |
| 2017 | 4 | 4 |
| 2018 | 1 | 2 |
| 2019 | 6 | 6 |
| 2020 | 4 | 5 |
| 2021 | 5 | 6 |
| 2022 | 6 | 4 |
| 2023 | 0 | 4 |
| 2024 | 3 | 1 |
| 2025 | 2 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Voltage transformer disconnect switch for utility metering sections of a medium voltage switchgear11 Aug 2026US 12,706,261 B2Iem New Sub 2 LLC
- Hybrid switch for an input device29 Apr 2025US 12,287,923 B2Logitech Europe S. A.
- Lever switch mounted on vehicle15 Apr 2025US 12,278,066 B2Toyo Denso Kabushiki Kaisha
- Tool with wireless switch5 Mar 2024US 11,919,141 B2Ingersoll-Rand Industrial U.S., Inc.
- Hybrid switch for an input device5 Mar 2024US 11,921,937 B2Logitech Europe S. A.
- Voltage Transformer Disconnect Switch For Utility Metering Sections Of A Medium Voltage Switchgear21 Aug 2025US 2025/0266222 A1Iem New Sub 2 LLC
- Hybrid switch for an input device31 Jul 2025US 2025/0244833 A1Logitech Europe S. A.
- Hybrid switch for an input device6 Jun 2024US 2024/0184380 A1Logitech Europe S. A.
- Hybrid switch for an input device1 Jun 2023US 2023/0168748 A1Logitech Europe S. A.
- Meter switch guard9 Feb 2023US 2023/0038566 A1E.J. Brooks Company d.b.a. Brooks Utility Products Group
Most cited
By later US patents
- Operating mechanism for a five-pole phase inverter isolating switch21US 5,936,213 AGEC Alsthom T & D SA · 1999
- Hybrid switch for an input device20US 11,150,741 B1Logitech Europe S. A. · 2021
- Pivotable multipole switch19US 4,395,610 ATechnology Management, Inc. · 1983
- Switching device for reversing a portable electric tool17US 4,523,115 ABlack & Decker Inc. · 1985
- Motor starting and automatic reversing switch17US 4,665,286 AEmerson Electric Co. · 1987