H02J 7/977
Of the battery
Official title: {of the battery}
H02J7/977 (Of the battery) appears on 1,402 US grants and 1,784 published applications in this corpus.
Search patents in H02J- Granted patents
- 1,402
- Published applications
- 1,784
- Assignees
- 709
- Inventors
- 3,801
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 10 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 5 | 0 |
| 1987 | 13 | 0 |
| 1988 | 3 | 0 |
| 1989 | 11 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 11 | 0 |
| 1994 | 11 | 0 |
| 1995 | 16 | 0 |
| 1996 | 18 | 0 |
| 1997 | 18 | 0 |
| 1998 | 14 | 0 |
| 1999 | 21 | 0 |
| 2000 | 21 | 0 |
| 2001 | 26 | 7 |
| 2002 | 21 | 17 |
| 2003 | 8 | 12 |
| 2004 | 16 | 25 |
| 2005 | 9 | 21 |
| 2006 | 9 | 29 |
| 2007 | 13 | 24 |
| 2008 | 12 | 21 |
| 2009 | 22 | 46 |
| 2010 | 19 | 54 |
| 2011 | 26 | 29 |
| 2012 | 40 | 56 |
| 2013 | 26 | 60 |
| 2014 | 32 | 55 |
| 2015 | 54 | 63 |
| 2016 | 53 | 64 |
| 2017 | 51 | 87 |
| 2018 | 57 | 71 |
| 2019 | 84 | 88 |
| 2020 | 75 | 111 |
| 2021 | 82 | 135 |
| 2022 | 105 | 134 |
| 2023 | 83 | 152 |
| 2024 | 106 | 170 |
| 2025 | 93 | 152 |
| 2026 | 64 | 101 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pulsed charging and heating techniques for energy sources6 Oct 2026US 12,756,218 B2Tae Technologies, Inc.
- Charging control method and charging control system6 Oct 2026US 12,756,222 B2Nissan Motor Co., Ltd.
- Electric powered working machine15 Sep 2026US 12,738,756 B2Hitachi Construction Machinery Co., Ltd.
- Charging and heating apparatus and method and apparatus for controlling same15 Sep 2026US 12,738,759 B2Contemporary Amperex Technology (Hong Kong) Limited
- Fluid exchanger8 Sep 2026US 12,728,745 B2Jolt Energy GmbH
- Current control system, current control method, and temperature distribution calculation method1 Oct 2026US 2026/0302825 A1Toyota Jidosha Kabushiki Kaisha
- Method and apparatus for charging battery, device, and storage medium24 Sep 2026US 2026/0290918 A1Chery Automobile Co., Ltd.
- Systems and methods for optimizing lifetime and efficiency of a battery energy storage system24 Sep 2026US 2026/0291261 A1Fluence Energy, LLC
- Apparatus and system for power conversion and method for operating the apparatus24 Sep 2026US 2026/0291265 A1Hitachi Energy Ltd
- Control system and control method of battery pack charging/discharging, and garden tool system24 Sep 2026US 2026/0291266 A1Greenworks (Jiangsu) Co., Ltd.
Most cited
By later US patents
- Cordless power system1,824US 7,688,028 B2Black & Decker Inc. · 2010
- Battery pack including input and output waveform modification capability1,522US 6,324,339 B1Eveready Battery Company, Inc. · 2001
- Electronic charging circuit for battery operated appliances1,027US 4,560,915 AWen Products, Inc. · 1985
- Smart battery algorithm for reporting battery parameters to an external device506US 5,606,242 ADuracell Inc. · 1997
- Battery powered system479US 4,709,202 ANorand Corporation · 1987