H02J 7/54
Passive balancing
Official title: Passive balancing, e.g. using resistors or parallel MOSFETs
H02J7/54 (Passive balancing) appears on 1,580 US grants and 2,096 published applications in this corpus.
Search patents in H02J- Granted patents
- 1,580
- Published applications
- 2,096
- Assignees
- 790
- Inventors
- 3,380
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 8 | 0 |
| 1997 | 15 | 0 |
| 1998 | 19 | 0 |
| 1999 | 19 | 0 |
| 2000 | 8 | 0 |
| 2001 | 15 | 5 |
| 2002 | 13 | 8 |
| 2003 | 8 | 17 |
| 2004 | 18 | 28 |
| 2005 | 14 | 28 |
| 2006 | 15 | 42 |
| 2007 | 15 | 23 |
| 2008 | 17 | 51 |
| 2009 | 40 | 66 |
| 2010 | 29 | 71 |
| 2011 | 35 | 84 |
| 2012 | 64 | 107 |
| 2013 | 47 | 141 |
| 2014 | 65 | 140 |
| 2015 | 106 | 114 |
| 2016 | 124 | 87 |
| 2017 | 99 | 108 |
| 2018 | 92 | 85 |
| 2019 | 90 | 101 |
| 2020 | 96 | 122 |
| 2021 | 99 | 115 |
| 2022 | 92 | 124 |
| 2023 | 92 | 130 |
| 2024 | 82 | 143 |
| 2025 | 87 | 103 |
| 2026 | 47 | 53 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electronic device with hybrid power source and method for hybrid power supply6 Oct 2026US 12,755,115 B2Getac Technology Corporation
- Battery circuit, cell balance control system, and state estimation apparatus8 Sep 2026US 12,732,004 B2Isuzu Motors Limited
- Storage battery control device, power storage system, and storage battery control method1 Sep 2026US 12,726,034 B2Yazaki Corporation
- System and method for balancing ultracapacitors employing a switched charge shuttling capacitor1 Sep 2026US 12,726,035 B2KYOCERA AVX Components Corporation
- Battery self-heating control system and control method, and electric transportation means18 Aug 2026US 12,709,194 B2BYD Company Limited
- Vehicle battery cell balancing8 Oct 2026US 2026/0307535 A1Ford Global Technologies, LLC
- Circuit arrangement and method for the excitation of impedance spectroscopy in multicellular batteries24 Sep 2026US 2026/0287665 A1Infineon Technologies AG
- Battery system24 Sep 2026US 2026/0291264 A1Prime Planet Energy & Solutions, Inc.
- System for balancing and converting voltage output for photovoltaic modules27 Aug 2026US 2026/0254253 A1Optivolt Labs, Inc.
- Battery and motor system for replacing internal combustion engine27 Aug 2026US 2026/0254394 A1Black & Decker Inc.
Most cited
By later US patents
- Surgical apparatus configured to assess whether a performance parameter of the surgical apparatus is within an acceptable performance band1,320US 10,180,463 B2Ethicon, Inc. · 2019
- Battery management system for control of lithium power cells832US 9,099,877 B2Zoll Circulation, Inc. · 2015
- Method and apparatus for automatic equalization of series-connected batteries384US 5,504,415 AElectronic Power Technology, Inc. · 1996
- Battery voltage regulation circuit360US 6,531,848 B1Arris International, Inc. · 2003
- Equalizer system and method for series connected energy storing devices318US 5,952,815 AHydro-Quebec · 1999