H02J 7/68
Using circuits for correcting or protecting against reverse-polarity
Official title: using circuits for correcting or protecting against reverse-polarity
H02J7/68 (Using circuits for correcting or protecting against reverse-polarity) appears on 435 US grants and 501 published applications in this corpus.
Search patents in H02J- Granted patents
- 435
- Published applications
- 501
- Assignees
- 297
- Inventors
- 904
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 10 | 0 |
| 1999 | 6 | 0 |
| 2000 | 11 | 0 |
| 2001 | 5 | 0 |
| 2002 | 0 | 6 |
| 2003 | 8 | 5 |
| 2004 | 6 | 10 |
| 2005 | 4 | 9 |
| 2006 | 1 | 11 |
| 2007 | 4 | 2 |
| 2008 | 3 | 12 |
| 2009 | 7 | 10 |
| 2010 | 10 | 12 |
| 2011 | 7 | 7 |
| 2012 | 5 | 12 |
| 2013 | 9 | 23 |
| 2014 | 6 | 18 |
| 2015 | 19 | 17 |
| 2016 | 17 | 16 |
| 2017 | 16 | 29 |
| 2018 | 19 | 31 |
| 2019 | 27 | 25 |
| 2020 | 23 | 26 |
| 2021 | 26 | 40 |
| 2022 | 32 | 37 |
| 2023 | 29 | 44 |
| 2024 | 36 | 40 |
| 2025 | 22 | 35 |
| 2026 | 10 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Compact improved autonomous auxiliary engine starting apparatus170US 6,140,797 A2000
- System for preventing damage to a battery charger due to application of a battery with wrong polarity160US 4,379,989 ARobert Bosch GmbH · 1983
- Jumper cable apparatus136US 4,969,834 A1990
- Portable battery booster135US 5,083,076 AP.S.O. Electric, Incorporated · 1992
- Reverse charger protection132US 6,724,593 B1National Semiconductor Corporation · 2004