H01H 2001/0031
By analysing radiation emitted by arc or trace material
Official title: {by analysing radiation emitted by arc or trace material}
H01H2001/0031 (By analysing radiation emitted by arc or trace material) appears on 12 US grants and 13 published applications in this corpus.
Search patents in H01H- Granted patents
- 12
- Published applications
- 13
- Assignees
- 10
- Inventors
- 36
- Latest grant
- 4 Jan 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 3 |
| 2005 | 1 | 3 |
| 2006 | 3 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Arc suppression in circuit protective devices4 Jan 2022US 11,217,987 B2Schneider Electric USA, Inc.
- Intelligent integrated medium-voltage AC vacuum switchgear based on flexible switching-closing technology25 Feb 2020US 10,573,474 B2Jiangsu Modern Electric Technology Co., Ltd.
- Method and apparatus for determining the wear on a contact element2 Aug 2016US 9,406,451 B2ABB Research Ltd.
- Electrical switchgear providing improved infrared predictive/preventive maintenance26 Jun 2012US 8,208,243 B2Rockwell Automation Technologies, Inc.
- Gas-tight encapsulating enclosure for a power transmission device6 Apr 2010US 7,692,880 B2Siemens Aktiengesellschaft
- Sealed high current switch with internal gas monitor3 Jul 2025US 2025/0216458 A1Honeywell International Inc.
- Arc Suppression in Circuit Protective Devices1 Jul 2021US 2021/0203150 A1Schneider Electric USA, Inc.
- Intelligent integrated medium-voltage ac vacuum switchgear based on flexible switching-closing technology6 Sep 2018US 2018/0254159 A1Jiangsu Modern Electric Technology Co., Ltd.
- Method and apparatus for determining the wear on a contact element4 Oct 2012US 2012/0253695 A1ABB Research Ltd.
- Electrical switchgear providing improved infrared predictive/preventive maintenance1 Apr 2010US 2010/0079973 A1Rockwell Automation Technologies, Inc.
Most cited
By later US patents
- Electric contacts, electric contact apparatus and method for detecting abrasion of the electric contacts24US 7,049,532 B2Kabushiki Kaisha Toshiba · 2006
- Method and apparatus for detecting wear in components of high voltage electrical equipment13US 6,777,948 B2Electric Power Research Institute, Inc. · 2004
- Method and apparatus for determining electrical contact wear9US 6,884,998 B2Nichols Applied Technology, LLC · 2005
- Method and apparatus for determining electrical contact wear9US 7,038,201 B2Nichols Applied Technology, LLC · 2006
- Device for detecting fluorescent trace material7US 7,368,743 B2Nichols Applied Technology, LLC · 2008