H02H 7/1252
Responsive to overvoltage in input or output
Official title: {responsive to overvoltage in input or output, e.g. by load dump}
H02H7/1252 (Responsive to overvoltage in input or output) appears on 114 US grants and 120 published applications in this corpus.
Search patents in H02H- Granted patents
- 114
- Published applications
- 120
- Assignees
- 104
- Inventors
- 286
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 2 | 2 |
| 2008 | 1 | 0 |
| 2009 | 0 | 6 |
| 2010 | 0 | 2 |
| 2011 | 3 | 1 |
| 2012 | 1 | 5 |
| 2013 | 4 | 5 |
| 2014 | 3 | 9 |
| 2015 | 9 | 13 |
| 2016 | 13 | 10 |
| 2017 | 7 | 7 |
| 2018 | 9 | 6 |
| 2019 | 5 | 11 |
| 2020 | 3 | 8 |
| 2021 | 13 | 7 |
| 2022 | 5 | 9 |
| 2023 | 8 | 7 |
| 2024 | 4 | 3 |
| 2025 | 8 | 4 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Power electronics converter9 Oct 2025US 2025/0316976 A1ROLLS-ROYCE plc
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- Fast charger protection under sudden stop conditions6 Feb 2025US 2025/0042283 A1Rivian IP Holdings, LLC
Most cited
By later US patents
- Transient over voltage protection circuit for electrical power converters68US 5,615,097 AAstec International Limited · 1997
- Power supply capable of protecting electric device circuit61US 6,975,523 B2Samsung Electronics Co., Ltd. · 2005
- Transient protection circuit for a dc voltage supply21US 5,095,261 AU. S. Philips Corporation · 1992
- Protection and control of wireless power systems19US 11,588,351 B2WiTricity Corporation · 2023
- AC line stabilization circuitry for high power factor loads17US 5,561,596 AInternational Business Machines Corporation · 1996