H01H 33/006
High-tension or heavy-current switches with arc-extinguishing or arc-preventing means: adapted for interrupting
Official title: {adapted for interrupting fault currents with delayed zero crossings}
H01H33/006 (High-tension or heavy-current switches with arc-extinguishing or arc-preventing means: adapted for interrupting) appears on 23 US grants and 12 published applications in this corpus.
Search patents in H01H- Granted patents
- 23
- Published applications
- 12
- Assignees
- 15
- Inventors
- 67
- Latest grant
- 28 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 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 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Predicting zero-crossings for point-on-wave (POW) switching techniques28 Nov 2023US 11,830,693 B2Rockwell Automation Technologies, Inc.
- Low energy reclosing pulse test6 Jun 2023US 11,670,471 B2S&C Electric Company
- Controlled switching of a circuit breaker14 Feb 2023US 11,581,724 B2Hitachi Energy Switzerland AG
- Low energy reclosing pulse test10 May 2022US 11,328,885 B2S&C Electric Company
- Arrangement, system, and method of interrupting current5 Apr 2022US 11,295,912 B2Scibreak AB
- Predicting Zero-Crossings For Point-On-Wave (POW) Switching Techniques30 Mar 2023US 2023/0102770 A1Rockwell Automation Technologies, Inc.
- Low energy reclosing pulse test21 Jul 2022US 2022/0230825 A1S&C Electric Company
- Low energy reclosing pulse test10 Jun 2021US 2021/0175033 A1S&C Electric Company
- Controlled switching of a circuit breaker19 Nov 2020US 2020/0366081 A1Hitachi Energy Switzerland AG
- Circuit breaker for a high-voltage dc network, with forced oscillation of current15 Nov 2018US 2018/0331531 A1
Most cited
By later US patents
- Phase control switching system23US 6,172,863 B2Mitsubishi Denki Kabushiki Kaisha · 2001
- Grounding switch gear device22US 5,543,597 AHitachi, Ltd. · 1996
- Method and system for real-time prediction of zero crossings of fault currents19US 6,597,999 B1General Electric Company · 2003
- Power system device and method for actively interrupting fault current before reaching peak magnitude18US 5,854,729 AUtility Systems Technologies, Inc. · 1998
- Method of synchronous circuit opening of generator circuit breaker, and its control apparatus16US 6,501,628 B1Hitachi, Ltd. · 2002