H01H 50/026
Details concerning isolation between driving and switching circuit
Official title: {Details concerning isolation between driving and switching circuit}
H01H50/026 (Details concerning isolation between driving and switching circuit) appears on 125 US grants and 89 published applications in this corpus.
Search patents in H01H- Granted patents
- 125
- Published applications
- 89
- Assignees
- 63
- Inventors
- 270
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 8 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 3 |
| 2003 | 4 | 2 |
| 2004 | 3 | 2 |
| 2005 | 1 | 5 |
| 2006 | 3 | 2 |
| 2007 | 0 | 3 |
| 2008 | 2 | 2 |
| 2009 | 5 | 0 |
| 2010 | 0 | 3 |
| 2011 | 1 | 2 |
| 2012 | 3 | 0 |
| 2013 | 0 | 3 |
| 2014 | 3 | 1 |
| 2015 | 2 | 1 |
| 2016 | 0 | 6 |
| 2017 | 4 | 8 |
| 2018 | 4 | 7 |
| 2019 | 7 | 4 |
| 2020 | 3 | 4 |
| 2021 | 6 | 5 |
| 2022 | 5 | 7 |
| 2023 | 5 | 2 |
| 2024 | 1 | 9 |
| 2025 | 5 | 4 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- High energy transfer relay33US 5,872,497 APhysio-Control, Inc. · 1999
- Single pole, single current path switching system and method31US 10,361,051 B2Rockwell Automation Technologies, Inc. · 2019
- Electromagnetic relay29US 5,204,647 AMatsushita Electric Works, Ltd. · 1993
- Electromagnetic relay28US 5,757,255 AOMRON Corporation · 1998
- Electromagnetic relay25US 7,477,119 B2Good Sky Electric Co., Ltd. · 2009