H02J 7/61
Against overcharge
Official title: against overcharge
H02J7/61 (Against overcharge) appears on 1,624 US grants and 1,960 published applications in this corpus.
Search patents in H02J- Granted patents
- 1,624
- Published applications
- 1,960
- Assignees
- 731
- Inventors
- 3,458
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 11 | 0 |
| 1998 | 12 | 0 |
| 1999 | 18 | 0 |
| 2000 | 11 | 0 |
| 2001 | 28 | 4 |
| 2002 | 19 | 23 |
| 2003 | 28 | 20 |
| 2004 | 16 | 19 |
| 2005 | 17 | 35 |
| 2006 | 15 | 37 |
| 2007 | 12 | 25 |
| 2008 | 18 | 50 |
| 2009 | 29 | 62 |
| 2010 | 41 | 42 |
| 2011 | 37 | 70 |
| 2012 | 47 | 77 |
| 2013 | 43 | 101 |
| 2014 | 56 | 99 |
| 2015 | 84 | 104 |
| 2016 | 94 | 157 |
| 2017 | 102 | 160 |
| 2018 | 116 | 138 |
| 2019 | 136 | 142 |
| 2020 | 141 | 133 |
| 2021 | 110 | 101 |
| 2022 | 100 | 89 |
| 2023 | 73 | 85 |
| 2024 | 71 | 81 |
| 2025 | 56 | 56 |
| 2026 | 35 | 50 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Dynamic system for balancing charging voltage for battery modules29 Sep 2026US 12,749,904 B2Ampere S.A.S.
- Intrinsically safe energy harvester for powering multi-sensor22 Sep 2026US 12,744,397 B2Honeywell International Inc.
- Protection circuit for battery module15 Sep 2026US 12,738,752 B2Stl Technology Co., Ltd.
- Power adaptor and power adaptor outlet with battery backup15 Sep 2026US 12,738,762 B2
- Test mode controller circuit controlling test functions for charge and discharge controller circuit1 Oct 2026US 2026/0299013 A1Nisshinbo Micro Devices Inc.
- Charge and discharge control circuit for controlling charging and discharging of battery1 Oct 2026US 2026/0302823 A1Nisshinbo Micro Devices Inc.
- Charging control method and system, and terminal device, charger and storage medium24 Sep 2026US 2026/0291270 A1Zte Corporation
- Abnormality detection device and battery system17 Sep 2026US 2026/0276718 A1Panasonic Intellectual Property Management Co., Ltd.
- Energy storage device and circuit breaking control method thereof17 Sep 2026US 2026/0280314 A1Alpha Ess Co., Ltd.
Most cited
By later US patents
- Rechargeable battery with memory that contains charging sequence data1,529US 6,522,101 B2Stryker Corporation · 2003
- Battery pack including input and output waveform modification capability1,522US 6,324,339 B1Eveready Battery Company, Inc. · 2001
- Electrical energy storage device1,518US 6,373,152 B1Synergy Scientech Corp. · 2002
- Smart battery power availability feature based on battery-specific characteristics1,241US 5,541,489 AIntel Corporation · 1996
- Viral distribution of battery management parameters844US 9,337,668 B2Zoll Circulation, Inc. · 2016