H01H 33/123
In which the auxiliary contact pivots on the main contact-arm and performs
Official title: {in which the auxiliary contact pivots on the main contact-arm and performs a delayed and accelerated movement}
H01H33/123 (In which the auxiliary contact pivots on the main contact-arm and performs) appears on 23 US grants and 12 published applications in this corpus.
Search patents in H01H- Granted patents
- 23
- Published applications
- 12
- Assignees
- 11
- Inventors
- 40
- Latest grant
- 11 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 1 |
| 2022 | 2 | 0 |
| 2023 | 0 | 2 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Switching device11 Feb 2025US 12,224,136 B2ABB Schweiz AG
- High voltage disconnector29 Nov 2022US 11,515,109 B2Hitachi Energy Switzerland AG
- Power outage isolation device11 Oct 2022US 11,469,062 B1
- Whip and loop interrupter combination24 Aug 2021US 11,101,637 B2Hubbell Incorporated
- Power outage isolation device27 Oct 2020US 10,818,452 B1
- High voltage center break disconnect switch with toggle drive locking mechanism27 Apr 2023US 2023/0131774 A1Cleaveland/Price Inc.
- Switching device20 Apr 2023US 2023/0123517 A1ABB Schweiz AG
- High voltage disconnector12 Aug 2021US 2021/0249207 A1ABB Power Grids Switzerland AG
- Whip and loop interrupter combination14 May 2020US 2020/0153232 A1Hubbell Incorporated
- Whip and loop interrupter combination28 Mar 2019US 2019/0097414 A1Hubbell Incorporated
Most cited
By later US patents
- Medium to high voltage load circuit interrupters including metal resistors having a positive temperature coefficient of resistivity (PTC elements)16US 6,072,673 ASquare D Company · 2000
- Load break switch arc suppression14US 4,289,941 AGeneral Electric Company · 1981
- Perpendicularly-opening grounding section switch10US 5,369,234 AGEC Alsthom Energie Inc. · 1994
- Quick-break attachment for a pole-top air-break switch9US 4,243,854 A1981
- ARC extinguishing device with a high speed whip8US 6,392,181 B1Cleaveland/Price Inc. · 2002