H01H 50/545
Self-contained, easily replaceable microswitches
Official title: {Self-contained, easily replaceable microswitches}
H01H50/545 (Self-contained, easily replaceable microswitches) appears on 60 US grants and 30 published applications in this corpus.
Search patents in H01H- Granted patents
- 60
- Published applications
- 30
- Assignees
- 45
- Inventors
- 130
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 2 | 2 |
| 2016 | 2 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 2 |
| 2019 | 3 | 0 |
| 2020 | 1 | 3 |
| 2021 | 1 | 1 |
| 2022 | 2 | 0 |
| 2023 | 0 | 3 |
| 2024 | 0 | 4 |
| 2025 | 1 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Magnetic latching relay with microswitch8 Sep 2026US 12,731,746 B2Xiamen Hongfa Electric Power Controls Co., Ltd.
- Switching appliance1 Apr 2025US 12,266,491 B2Noark Electrics (Shanghai) Co., Ltd.
- Safety interlock18 Oct 2022US 11,476,686 B2ABB Schweiz AG
- Measuring device and electrical switching unit1 Feb 2022US 11,239,653 B2Schneider Electric Industries SAS
- DC contactor with dual micro switches2 Nov 2021US 11,164,711 B2Xiamen Hongfa Electric Power Controls Co., Ltd.
- Contactor2 Apr 2026US 2026/0094772 A1Tyco Electronics (Shanghai) Co., Ltd.
- Manual override switch to fulfill ul requirement for manual and automated switching in smart islanding switch systems1 Jan 2026US 2026/0004981 A1Eaton Intelligent Power Limited
- Direct current relay20 Nov 2025US 2025/0357062 A1Ls Electric Co., Ltd.
- Arc induction unit and direct current relay comprising same16 Oct 2025US 2025/0323003 A1Ls Electric Co., Ltd.
- Arc chamber and direct-current relay comprising same7 Nov 2024US 2024/0371587 A1Ls Electric Co., Ltd.
Most cited
By later US patents
- Electric switch mechanism for relays and contactors87US 4,983,788 ACGE Compagnia Generale Electtromeccanica S.p.A. · 1991
- Auxiliary contact mounting block82US 5,138,121 ASiemens Aktiengesellschaft · 1992
- Electronic auxiliary contact for a contactor41US 5,424,900 AABB Stromberg Kojeet Oy · 1995
- Electrical contact structures specifically suited for low power circuits40US 5,047,603 ACGE Compagnia Generale Elettromeccanica SpA · 1991
- Switch38US 4,345,225 AStarkstrom Gummersbach GmbH · 1982