H01H 85/306
Acting on an auxiliary switch or contact
Official title: {acting on an auxiliary switch or contact}
H01H85/306 (Acting on an auxiliary switch or contact) appears on 53 US grants and 36 published applications in this corpus.
Search patents in H01H- Granted patents
- 53
- Published applications
- 36
- Assignees
- 40
- Inventors
- 96
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 6 |
| 2003 | 1 | 2 |
| 2004 | 5 | 2 |
| 2005 | 2 | 1 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 2 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 2 | 2 |
| 2015 | 0 | 1 |
| 2016 | 2 | 1 |
| 2017 | 2 | 1 |
| 2018 | 0 | 2 |
| 2019 | 3 | 1 |
| 2020 | 1 | 4 |
| 2021 | 2 | 1 |
| 2022 | 2 | 4 |
| 2023 | 3 | 0 |
| 2024 | 1 | 2 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Linkage mechanism, base, and surge protection device21 Oct 2025US 12,451,688 B2Shanghai Chenzhu Instrument Co., Ltd.
- Electrical switching device having an auxiliary contact26 Aug 2025US 12,400,819 B2Safran Electrical & Power
- Overcurrent protection device for surge arresters20 Feb 2024US 11,909,202 B2Saltek S.R.O.
- Lightning protection spark gap assembly and method for operating a lightning protection spark gap assembly19 Sep 2023US 11,764,570 B2Dehn SE
- Lightning protection spark gap assembly and method for operating a lightning protection spark gap assembly18 Jul 2023US 11,705,724 B2Dehn SE
- Electrical switching device having an auxiliary contact19 Dec 2024US 2024/0420911 A1Safran Electrical & Power
- Linkage mechanism, base, and surge protection device4 Jul 2024US 2024/0222966 A1Shanghai Chenzhu lnstrument Co.,Ltd
- Overcurrent protection device for surge arresters1 Dec 2022US 2022/0385060 A1Saltek S.R.O.
- Electrical assembly comprising blown fuse indication system25 Aug 2022US 2022/0270841 A1Hitachi Energy Switzerland AG
- Lightning protection spark gap assembly and method for operating a lightning protection spark gap assembly30 Jun 2022US 2022/0208498 A1Dehn SE
Most cited
By later US patents
- Compact fused disconnect switch114US 6,784,783 B2Cooper Technologies Company · 2004
- Circuit protection devices85US 4,599,597 ASociete d'Exploitation Soremec-Chess · 1986
- Fused disconnect39US 5,355,274 ACooper Industries, Inc. · 1994
- Fused disconnect switch36US 6,587,028 B2Cooper Technologies Company · 2003
- Fuse handle for fused disconnect switch35US 6,853,289 B2Cooper Technologies Company · 2005