H02H 3/20
Responsive to excess voltage
Official title: responsive to excess voltage
H02H3/20 (Responsive to excess voltage) appears on 1,267 US grants and 1,372 published applications in this corpus.
Search patents in H02H- Granted patents
- 1,267
- Published applications
- 1,372
- Assignees
- 740
- Inventors
- 2,898
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 7 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 9 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 6 |
| 2003 | 5 | 9 |
| 2004 | 8 | 7 |
| 2005 | 4 | 10 |
| 2006 | 6 | 13 |
| 2007 | 6 | 14 |
| 2008 | 4 | 11 |
| 2009 | 13 | 15 |
| 2010 | 6 | 16 |
| 2011 | 10 | 20 |
| 2012 | 18 | 46 |
| 2013 | 30 | 88 |
| 2014 | 53 | 85 |
| 2015 | 71 | 91 |
| 2016 | 85 | 117 |
| 2017 | 84 | 90 |
| 2018 | 82 | 95 |
| 2019 | 104 | 97 |
| 2020 | 97 | 106 |
| 2021 | 117 | 83 |
| 2022 | 115 | 75 |
| 2023 | 72 | 88 |
| 2024 | 78 | 76 |
| 2025 | 53 | 58 |
| 2026 | 37 | 55 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Protection unit, ADC module and system29 Sep 2026US 12,749,891 B2ABB Schweiz AG
- Electronic fuse circuit and circuit system using the same15 Sep 2026US 12,738,727 B2Joulwatt Technology Co., Ltd.
- Multilevel power conversion system, and circuitry of multilevel power conversion system15 Sep 2026US 12,738,832 B2TMEIC Corporation
- Device and method for disconnecting a high-voltage direct electric current with a fuse, and oscillating-current overload system25 Aug 2026US 12,719,257 B2Supergrid Institute
- Electronic control unit for vehicle with integrated cut-off25 Aug 2026US 12,719,261 B2Continental Automotive Technologies GmbH
- Over-voltage transient protection in electrical circuit8 Oct 2026US 2026/0312396 A1Cisco Technology, Inc.
- Protection Circuit, Method for Protecting Electrical Load, and System1 Oct 2026US 2026/0302759 A13M Innovative Properties Company
- Electrical circuit24 Sep 2026US 2026/0291207 A1Blixt Tech AB
- Overvoltage protection circuit, voltage detection circuit, comparator, charge/discharge control circuit, and semiconductor device24 Sep 2026US 2026/0291208 A1Ablic Inc.
- Over voltage protection for a wireless power transfer system24 Sep 2026US 2026/0291209 A1Dolby Intellectual Property Licensing, LLC
Most cited
By later US patents
- Multiple sensors with one sensor affecting a second sensor's output or interpretation1,559US 9,757,128 B2Ethicon, Inc. · 2017
- Multiple motor control for powered medical device1,555US 9,788,836 B2Ethicon, Inc. · 2017
- Adjunct with integrated sensors to quantify tissue compression1,540US 9,724,094 B2Ethicon, Inc. · 2017
- Monitoring device degradation based on component evaluation1,519US 9,737,301 B2Ethicon, Inc. · 2017
- Polarity of hall magnet to identify cartridge type1,445US 10,016,199 B2Ethicon, Inc. · 2018