H02J 7/448
Using switches, contacts or markings
Official title: {using switches, contacts or markings, e.g. optical, magnetic or barcode}
H02J7/448 (Using switches, contacts or markings) appears on 137 US grants and 161 published applications in this corpus.
Search patents in H02J- Granted patents
- 137
- Published applications
- 161
- Assignees
- 79
- Inventors
- 261
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 2 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 4 |
| 2005 | 0 | 5 |
| 2006 | 0 | 3 |
| 2007 | 0 | 1 |
| 2008 | 4 | 2 |
| 2009 | 4 | 4 |
| 2010 | 2 | 3 |
| 2011 | 0 | 2 |
| 2012 | 1 | 4 |
| 2013 | 4 | 6 |
| 2014 | 4 | 1 |
| 2015 | 4 | 6 |
| 2016 | 2 | 7 |
| 2017 | 6 | 7 |
| 2018 | 5 | 45 |
| 2019 | 30 | 14 |
| 2020 | 23 | 12 |
| 2021 | 12 | 7 |
| 2022 | 9 | 4 |
| 2023 | 1 | 4 |
| 2024 | 4 | 4 |
| 2025 | 5 | 8 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Charger for a battery pack, charging system and method of charging14 Jul 2026US 12,683,424 B23M Innovative Properties Company
- Smart terminal and control method therefor19 May 2026US 12,633,761 B2Huizhou Tcl Mobile Communication Co., Ltd.
- Electronic device and control method25 Nov 2025US 12,483,041 B2Canon Kabushiki Kaisha
- System for identifying a battery based on a color of a part of the battery11 Nov 2025US 12,470,073 B2CPS Technology Holdings LLC
- Device for offset wireless tattoo battery pack and methods of use16 Sep 2025US 12,415,059 B2FK Irons Inc.
- Charger for a battery pack, charging system and method of charging1 Oct 2026US 2026/0302824 A13M Innovative Properties Company
- Charging method and terminal device23 Apr 2026US 2026/0112900 A1Huawei Technologies Co., Ltd.
- Energy storage system23 Apr 2026US 2026/0112902 A1Samsung SDI.Co., Ltd.
- Pairing mechanism for ups5 Mar 2026US 2026/0066584 A1
- System for identifying a battery based on a color of a part of the battery5 Feb 2026US 2026/0039121 A1CPS Technology Holdings LLC
Most cited
By later US patents
- Battery charging apparatus and network system with enhanced versatility in dispensing recharged batteries175US 5,694,019 ARicoh Company, Ltd. · 1997
- Microprocessor controlled portable battery charger and method of charging using same91US 5,565,756 AMotorola, Inc. · 1996
- Universal electric vehicle charging adapter81US 5,369,352 AFord Motor Company · 1994
- Method and mechanism to prevent corruption of data80US 6,316,916 B2Motorola, Inc. · 2001
- System for automatically gathering battery information80US 8,344,685 B2Midtronics, Inc. · 2013