H02H 7/1213
For dc-dc converters
Official title: {for DC-DC converters}
H02H7/1213 (For dc-dc converters) appears on 497 US grants and 482 published applications in this corpus.
Search patents in H02H- Granted patents
- 497
- Published applications
- 482
- Assignees
- 326
- Inventors
- 1,123
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 6 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 1 |
| 2002 | 6 | 4 |
| 2003 | 2 | 2 |
| 2004 | 3 | 3 |
| 2005 | 0 | 11 |
| 2006 | 7 | 2 |
| 2007 | 6 | 3 |
| 2008 | 6 | 7 |
| 2009 | 4 | 9 |
| 2010 | 7 | 10 |
| 2011 | 10 | 12 |
| 2012 | 5 | 5 |
| 2013 | 7 | 8 |
| 2014 | 12 | 25 |
| 2015 | 8 | 47 |
| 2016 | 27 | 17 |
| 2017 | 30 | 29 |
| 2018 | 34 | 44 |
| 2019 | 53 | 43 |
| 2020 | 33 | 36 |
| 2021 | 35 | 22 |
| 2022 | 27 | 28 |
| 2023 | 22 | 35 |
| 2024 | 34 | 22 |
| 2025 | 23 | 34 |
| 2026 | 17 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Direct current conversion device and system24 Sep 2026US 2026/0291212 A1Crrc Zhuzhou Electric Locomotive Research Institute Co., Ltd.
- Voltage detection circuit and voltage detection method10 Sep 2026US 2026/0269594 A1Eve Energy Co., Ltd.
- Bidirectional current limiting circuits27 Aug 2026US 2026/0254229 A1ROLLS-ROYCE plc
- Converter with Multifunction Output Protection Circuit and Method13 Aug 2026US 2026/0238121 A1ABB Schweiz AG
Most cited
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