H02H 9/005
Avoiding undesired transient conditions
Official title: {avoiding undesired transient conditions}
H02H9/005 (Avoiding undesired transient conditions) appears on 500 US grants and 493 published applications in this corpus.
Search patents in H02H- Granted patents
- 500
- Published applications
- 493
- Assignees
- 385
- Inventors
- 1,180
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 8 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 8 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 9 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 1 |
| 2003 | 2 | 9 |
| 2004 | 5 | 1 |
| 2005 | 2 | 12 |
| 2006 | 4 | 8 |
| 2007 | 6 | 12 |
| 2008 | 9 | 2 |
| 2009 | 4 | 9 |
| 2010 | 3 | 5 |
| 2011 | 4 | 6 |
| 2012 | 8 | 7 |
| 2013 | 8 | 17 |
| 2014 | 7 | 31 |
| 2015 | 14 | 41 |
| 2016 | 31 | 31 |
| 2017 | 31 | 25 |
| 2018 | 21 | 46 |
| 2019 | 55 | 31 |
| 2020 | 28 | 33 |
| 2021 | 26 | 30 |
| 2022 | 40 | 28 |
| 2023 | 23 | 17 |
| 2024 | 18 | 30 |
| 2025 | 26 | 25 |
| 2026 | 14 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Transient voltage absorption element8 Sep 2026US 12,731,982 B2Murata Manufacturing Co., Ltd.
- Current transformer sensing with saturation protection25 Aug 2026US 12,719,260 B2Hamilton Sundstrand Corporation
- ESD protection circuit25 Aug 2026US 12,719,264 B2LAPIS Technology Co., Ltd.
- Electrical damping device for a DC voltage bus14 Jul 2026US 12,683,385 B2Deere & Company
- Thermal-protective transient voltage suppressor (TVS)30 Jun 2026US 12,671,017 B2Xiamen Set Electronics Co., Ltd
- Block surge protector with temperature compensation1 Oct 2026US 2026/0302766 A1Wayon Semiconductor Co., Ltd.
- Storage device, semiconductor device and electronic apparatus24 Sep 2026US 2026/0291219 A1Yangtze Memory Technologies Co., Ltd.
- Hybrid switching device10 Sep 2026US 2026/0269601 A1ABB Schweiz AG
- A circuit apparatus and method for detection of or detection and protection against circuit anomaly3 Sep 2026US 2026/0261111 A1Zero-Error Systems Pte Ltd
- Bidirectional current limiting circuits27 Aug 2026US 2026/0254229 A1ROLLS-ROYCE plc
Most cited
By later US patents
- Transient and surge protection apparatus153US 4,023,071 A1977
- Power receptacle and nested line conditioner arrangement153US 4,814,941 ASteelcase Inc. · 1989
- Surge suppression system142US 5,555,150 ALutron Electronics Co., Inc. · 1996
- Method and systems for electromagnetic protection with persistent self monitoring and cybersecure local and remote status report130US 11,469,592 B12022
- Power line filter for transient and continuous noise suppression110US 4,698,721 APuroflow Corporation · 1987