H02J 7/875
Charging or discharging for charge maintenance, battery initiation or rejuvenation
Official title: {Charging or discharging for charge maintenance, battery initiation or rejuvenation}
H02J7/875 (Charging or discharging for charge maintenance, battery initiation or rejuvenation) appears on 753 US grants and 956 published applications in this corpus.
Search patents in H02J- Granted patents
- 753
- Published applications
- 956
- Assignees
- 449
- Inventors
- 2,039
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 8 | 0 |
| 1998 | 7 | 0 |
| 1999 | 18 | 0 |
| 2000 | 14 | 0 |
| 2001 | 20 | 5 |
| 2002 | 13 | 6 |
| 2003 | 8 | 13 |
| 2004 | 12 | 16 |
| 2005 | 4 | 19 |
| 2006 | 8 | 17 |
| 2007 | 7 | 9 |
| 2008 | 7 | 25 |
| 2009 | 20 | 24 |
| 2010 | 9 | 19 |
| 2011 | 18 | 24 |
| 2012 | 18 | 45 |
| 2013 | 13 | 34 |
| 2014 | 27 | 44 |
| 2015 | 38 | 56 |
| 2016 | 43 | 53 |
| 2017 | 51 | 45 |
| 2018 | 44 | 37 |
| 2019 | 45 | 52 |
| 2020 | 33 | 45 |
| 2021 | 42 | 49 |
| 2022 | 45 | 57 |
| 2023 | 33 | 85 |
| 2024 | 42 | 80 |
| 2025 | 49 | 60 |
| 2026 | 30 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Swinging coils in multi-coil wireless chargers6 Oct 2026US 12,756,234 B2Aira, Inc.
- System, a control unit and a method for controlling capacitors in the system in an at least partly electrical driven vehicle29 Sep 2026US 12,749,965 B2Volvo Truck Corporation
- Augmentation nodes and associated systems and methods8 Sep 2026US 12,732,010 B2Element Energy, Inc.
- Method for charging and discharging battery25 Aug 2026US 12,719,097 B2Hana Technology Co., Ltd.
- Battery booster4 Aug 2026US 12,700,741 B2Schumacher Electric Corporation
- In-vehicle control device8 Oct 2026US 2026/0309800 A1Autonetworks Technologies, Ltd.
- System and method for vehicle battery charge maintenance in a storage facility1 Oct 2026US 2026/0302817 A1SS Solar LLC
- Method for charging battery, battery management system, charge and discharge device24 Sep 2026US 2026/0291271 A1Contemporary Amperex Technology (Hong Kong) Limited
- Charging and discharging apparatus, method for controlling the same, and charging and discharging system including the same17 Sep 2026US 2026/0279940 A1SK On Co., Ltd.
- Adaptive battery charger17 Sep 2026US 2026/0280323 A1Bollinger Industries, Inc.
Most cited
By later US patents
- Method and apparatus for multi-power source for power tools1,183US 6,104,162 A2000
- Apparatus and method for carrying out diagnostic tests on batteries and for rapidly charging batteries243US 6,424,158 B2Midtronics, Inc. · 2002
- Battery pack having memory237US 6,252,380 B1Intermec IP Corp. · 2001
- Battery conditioning system having communication with battery parameter memory means in conjunction with battery conditioning172US 4,885,523 ANorand Corporation · 1989
- Apparatus and method for carrying out diagnostic tests on batteries and for rapidly charging batteries171US 6,259,254 B1Midtronics, Inc. · 2001