H02J 7/685
Using connection detecting circuits
Official title: {using connection detecting circuits (H02J7/68 takes precedence)}
H02J7/685 (Using connection detecting circuits) appears on 657 US grants and 797 published applications in this corpus.
Search patents in H02J- Granted patents
- 657
- Published applications
- 797
- Assignees
- 429
- Inventors
- 1,626
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 8 | 0 |
| 1998 | 7 | 0 |
| 1999 | 13 | 0 |
| 2000 | 12 | 0 |
| 2001 | 4 | 2 |
| 2002 | 5 | 1 |
| 2003 | 7 | 4 |
| 2004 | 2 | 3 |
| 2005 | 4 | 8 |
| 2006 | 1 | 9 |
| 2007 | 8 | 16 |
| 2008 | 6 | 8 |
| 2009 | 10 | 8 |
| 2010 | 9 | 11 |
| 2011 | 6 | 11 |
| 2012 | 9 | 15 |
| 2013 | 12 | 35 |
| 2014 | 16 | 40 |
| 2015 | 25 | 43 |
| 2016 | 39 | 45 |
| 2017 | 36 | 45 |
| 2018 | 47 | 54 |
| 2019 | 44 | 41 |
| 2020 | 41 | 70 |
| 2021 | 52 | 57 |
| 2022 | 54 | 51 |
| 2023 | 51 | 77 |
| 2024 | 50 | 50 |
| 2025 | 47 | 58 |
| 2026 | 12 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Battery control circuitry, battery control method, and electric apparatus6 Oct 2026US 12,756,209 B2Contemporary Amperex Technology (Hong Kong) Limited
- Charging dock and charging device therewith29 Sep 2026US 12,749,908 B2Wistron Corporation
- Jump start circuit, jump starter and jump start device25 Aug 2026US 12,719,291 B2Dong Guan Carosstech Co., Ltd
- Adaptive charge control for transport climate control applications11 Aug 2026US 12,704,553 B2Thermo King Corporation
- Battery connection status detection circuit and method, battery, device, and system11 Aug 2026US 12,706,468 B2Huawei Digital Power Technologies Co., Ltd.
- 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
- Charge/discharge control circuit, charge/discharge control device, and battery device1 Oct 2026US 2026/0302809 A1Ablic Inc.
- Charge and discharge control circuit for controlling charging and discharging of battery1 Oct 2026US 2026/0302823 A1Nisshinbo Micro Devices Inc.
- Two-connector device detection and charging24 Sep 2026US 2026/0291267 A1QUALCOMM Incorporated
- Tool-to-tool charging17 Sep 2026US 2026/0280309 A1
Most cited
By later US patents
- Methods of charging battery packs for cordless power tool systems1,472US 7,656,131 B2Black & Decker Inc. · 2010
- Auxiliary battery holder with multicharger functionality1,249US 6,043,626 AEricsson Inc. · 2000
- Surgical instrument battery pack with voltage polling1,192US 9,974,539 B2Ethicon, Inc. · 2018
- Surgical instrument battery pack with power profile emulation1,041US 9,833,239 B2Ethicon, Inc. · 2017
- Battery management system for control of lithium power cells832US 9,099,877 B2Zoll Circulation, Inc. · 2015