G01R 31/3835
Involving only voltage measurements
Official title: involving only voltage measurements
G01R31/3835 (Involving only voltage measurements) appears on 1,855 US grants and 2,534 published applications in this corpus.
Search patents in G01R- Granted patents
- 1,855
- Published applications
- 2,534
- Assignees
- 801
- Inventors
- 4,481
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 8 | 0 |
| 1999 | 10 | 0 |
| 2000 | 20 | 0 |
| 2001 | 24 | 5 |
| 2002 | 20 | 6 |
| 2003 | 9 | 13 |
| 2004 | 6 | 16 |
| 2005 | 11 | 9 |
| 2006 | 11 | 16 |
| 2007 | 4 | 27 |
| 2008 | 13 | 23 |
| 2009 | 16 | 32 |
| 2010 | 21 | 46 |
| 2011 | 27 | 41 |
| 2012 | 27 | 79 |
| 2013 | 38 | 117 |
| 2014 | 65 | 128 |
| 2015 | 75 | 134 |
| 2016 | 100 | 150 |
| 2017 | 122 | 96 |
| 2018 | 114 | 99 |
| 2019 | 111 | 142 |
| 2020 | 124 | 144 |
| 2021 | 120 | 151 |
| 2022 | 138 | 192 |
| 2023 | 127 | 202 |
| 2024 | 157 | 239 |
| 2025 | 155 | 237 |
| 2026 | 131 | 190 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Identifying a root cause of battery cell degradation in a battery pack6 Oct 2026US 12,752,664 B2GM Global Technology Operations LLC
- Charge/discharge inspection device and charge/discharge inspection equipment6 Oct 2026US 12,754,239 B2Nippon Steel Texeng. Co., Ltd.
- Power bank having function for providing rechargeable range of battery pack, battery pack charging system comprising same, and method therefor6 Oct 2026US 12,754,242 B2LG Energy Solution, Ltd.
- Battery system, method for diagnosing a battery system6 Oct 2026US 12,754,245 B2Robert Bosch GmbH
- Electric energy managing system and method thereof29 Sep 2026US 12,746,853 B2Industrial Technology Research Institute
- Detection and remediation of liquid intrusion in vehicle battery packs8 Oct 2026US 2026/0307491 A1GM Global Technology Operations LLC
- Relay Diagnostic Circuit and Battery Device Comprising the Same8 Oct 2026US 2026/0309780 A1LG Energy Solution, Ltd.
- Method for Estimating State of Rechargeable Battery8 Oct 2026US 2026/0309785 A1Toyota Battery Co., Ltd.
- State-of-charge indicator8 Oct 2026US 2026/0309792 A1LAT Enterprises, Inc., d/b/a MediPak Energy Systems
- System and method for battery capacity determination8 Oct 2026US 2026/0309793 A1GM Global Technology Operations LLC
Most cited
By later US patents
- Battery capacity calculation method1,051US 5,847,566 ASeiko Epson Corporation · 1998
- State of charge indicator for a battery charger837US 8,796,995 B2Black & Decker Inc. · 2014
- Universal power supply459US 6,459,175 B12002
- Battery controller for controlling batteries of different kinds and including battery monitoring means for calculating remaining operation time and an information processing apparatus including such battery controller292US 5,963,010 AClevo Co. · 1999
- Battery charge state determination262US 5,352,968 AApple Computer, Inc. · 1994