H02J 7/64
Against overvoltage
Official title: against overvoltage
H02J7/64 (Against overvoltage) appears on 1,177 US grants and 1,366 published applications in this corpus.
Search patents in H02J- Granted patents
- 1,177
- Published applications
- 1,366
- Assignees
- 642
- Inventors
- 2,726
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 8 | 0 |
| 1983 | 8 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 13 | 0 |
| 1998 | 11 | 0 |
| 1999 | 14 | 0 |
| 2000 | 13 | 0 |
| 2001 | 14 | 4 |
| 2002 | 8 | 13 |
| 2003 | 22 | 23 |
| 2004 | 17 | 10 |
| 2005 | 10 | 30 |
| 2006 | 8 | 17 |
| 2007 | 8 | 11 |
| 2008 | 16 | 37 |
| 2009 | 15 | 33 |
| 2010 | 23 | 28 |
| 2011 | 21 | 35 |
| 2012 | 28 | 56 |
| 2013 | 31 | 68 |
| 2014 | 46 | 54 |
| 2015 | 48 | 69 |
| 2016 | 59 | 74 |
| 2017 | 58 | 80 |
| 2018 | 64 | 87 |
| 2019 | 75 | 81 |
| 2020 | 85 | 79 |
| 2021 | 64 | 73 |
| 2022 | 74 | 83 |
| 2023 | 59 | 113 |
| 2024 | 76 | 75 |
| 2025 | 70 | 70 |
| 2026 | 46 | 63 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Circuit, method, and oximeter for indicating power supply by applying double-color light-emitting diode22 Sep 2026US 12,744,400 B2Guangdong Genial Technology Co., Ltd.
- Apparatus for managing safety of secondary battery and method thereof15 Sep 2026US 12,738,753 B2LG Energy Solution, Ltd.
- Arcing prevention through input voltage loop8 Sep 2026US 12,732,006 B2Renesas Electronics America Inc.
- Systems and methods for voltage-based current limiting1 Oct 2026US 2026/0302786 A1Cummins Inc.
- Semiconductor device1 Oct 2026US 2026/0303083 A1Ablic Inc.
- Control apparatus, power conditioning system, control method, and program24 Sep 2026US 2026/0291228 A1Mitsubishi Heavy Industries, Ltd.
- Control system and control method of battery pack charging/discharging, and garden tool system24 Sep 2026US 2026/0291266 A1Greenworks (Jiangsu) Co., Ltd.
- Collaborative battery pack charging method, device, and computer-readable storage medium17 Sep 2026US 2026/0279939 A1Ehang Intelligent Equipment (Guangzhou) Co., Ltd.
Most cited
By later US patents
- 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
- Battery pack for cordless power tools1,063US 7,728,553 B2Black & Decker Inc. · 2010
- Autoclavable charging device for a rechargeable energy store of a surgical instrument and associated method1,010US 8,810,197 B2Olympus Winter & Ibe GmbH · 2014