H02J 7/42
With electronic devices having internal batteries
Official title: with electronic devices having internal batteries, e.g. mobile phones
H02J7/42 (With electronic devices having internal batteries) appears on 3,620 US grants and 4,729 published applications in this corpus.
Search patents in H02J- Granted patents
- 3,620
- Published applications
- 4,729
- Assignees
- 1,199
- Inventors
- 6,794
- 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 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 4 |
| 2002 | 4 | 4 |
| 2003 | 2 | 5 |
| 2004 | 5 | 6 |
| 2005 | 3 | 7 |
| 2006 | 2 | 11 |
| 2007 | 4 | 8 |
| 2008 | 5 | 13 |
| 2009 | 6 | 26 |
| 2010 | 6 | 57 |
| 2011 | 13 | 76 |
| 2012 | 23 | 122 |
| 2013 | 44 | 179 |
| 2014 | 90 | 295 |
| 2015 | 155 | 321 |
| 2016 | 241 | 418 |
| 2017 | 320 | 542 |
| 2018 | 430 | 446 |
| 2019 | 546 | 391 |
| 2020 | 360 | 367 |
| 2021 | 308 | 306 |
| 2022 | 283 | 264 |
| 2023 | 230 | 306 |
| 2024 | 220 | 231 |
| 2025 | 195 | 198 |
| 2026 | 102 | 126 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vehicle and charging system6 Oct 2026US 12,752,661 B2Toyota Jidosha Kabushiki Kaisha
- Wireless power distribution system6 Oct 2026US 12,756,239 B2Wi-Charge Ltd.
- Device and method for performing authentication in wireless power transmission system29 Sep 2026US 12,750,092 B2LG Electronics Inc.
- Electronic device and operation method of electronic device for providing finding function22 Sep 2026US 12,744,394 B2Samsung Electronics Co., Ltd.
- Method and apparatus to supply DC power with variable voltage22 Sep 2026US 12,744,395 B2
- An Assembly Comprising a Portable Charging Device and an Aerosol Generating Device, and a Method of Controlling the Same8 Oct 2026US 2026/0305727 A1JT International SA
- System, method, and apparatus for interactively charging a mobile device via induction24 Sep 2026US 2026/0291283 A1
- Electronic device for wirelessly receiving power, and operating method thereof24 Sep 2026US 2026/0291295 A1Samsung Electronics Co., Ltd.
- Control of a vehicle-mounted lighting system17 Sep 2026US 2026/0274156 A1Milwaukee Electric Tool Corporation
- Device Having a Multimode Antenna With Variable Width of Conductive Wire17 Sep 2026US 2026/0279661 A1NuCurrent, Inc.
Most cited
By later US patents
- Medical device packaging with charging interface856US 9,000,720 B2Ethicon Endo-Surgery, Inc. · 2015
- Viral distribution of battery management parameters844US 9,337,668 B2Zoll Circulation, Inc. · 2016
- System and method for tracking and archiving battery performance data840US 9,197,079 B2Zoll Circulation, Inc. · 2015
- State of charge indicator for a battery charger837US 8,796,995 B2Black & Decker Inc. · 2014
- Battery management system for control of lithium power cells832US 9,099,877 B2Zoll Circulation, Inc. · 2015