G01R 31/378
Specially adapted for the type of battery or accumulator
Official title: specially adapted for the type of battery or accumulator
G01R31/378 (Specially adapted for the type of battery or accumulator) appears on 439 US grants and 511 published applications in this corpus.
Search patents in G01R- Granted patents
- 439
- Published applications
- 511
- Assignees
- 343
- Inventors
- 1,325
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 12 | 0 |
| 1995 | 2 | 0 |
| 1996 | 9 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 15 | 4 |
| 2002 | 15 | 13 |
| 2003 | 13 | 15 |
| 2004 | 10 | 21 |
| 2005 | 12 | 12 |
| 2006 | 9 | 14 |
| 2007 | 4 | 7 |
| 2008 | 8 | 4 |
| 2009 | 10 | 11 |
| 2010 | 8 | 8 |
| 2011 | 6 | 5 |
| 2012 | 7 | 7 |
| 2013 | 6 | 9 |
| 2014 | 9 | 10 |
| 2015 | 8 | 16 |
| 2016 | 6 | 13 |
| 2017 | 7 | 17 |
| 2018 | 14 | 18 |
| 2019 | 16 | 36 |
| 2020 | 26 | 13 |
| 2021 | 19 | 20 |
| 2022 | 22 | 35 |
| 2023 | 21 | 45 |
| 2024 | 16 | 52 |
| 2025 | 31 | 57 |
| 2026 | 24 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Identifying a root cause of battery cell degradation in a battery pack6 Oct 2026US 12,752,664 B2GM Global Technology Operations LLC
- Method of estimating life of nickel-metal hydride battery6 Oct 2026US 12,754,254 B2Fdk Corporation
- Low-voltage defect inspection method of lithium secondary battery and manufacturing method of lithium secondary battery29 Sep 2026US 12,748,153 B2LG Energy Solution, Ltd.
- Battery remaining quantity estimation apparatus29 Sep 2026US 12,748,155 B2Denso Corporation
- Battery processing system and battery processing method29 Sep 2026US 12,748,159 B2Toyota Jidosha Kabushiki Kaisha
- Method for Estimating State of Rechargeable Battery8 Oct 2026US 2026/0309785 A1Toyota Battery Co., Ltd.
- State-of-charge estimation using embeddable distributed electro-thermal models1 Oct 2026US 2026/0299032 A1Caterpillar Inc.
- Apparatus and method for estimating soh17 Sep 2026US 2026/0276726 A1LG Energy Solution, Ltd.
- Secondary battery test apparatus and method10 Sep 2026US 2026/0266914 A1SK On Co., Ltd.
- Battery State Prediction Apparatus and Battery State Prediction Method3 Sep 2026US 2026/0259271 A1LG Energy Solution, Ltd.
Most cited
By later US patents
- Battery capacity calculation method1,051US 5,847,566 ASeiko Epson Corporation · 1998
- Battery system and method for system state of charge determination988US 9,030,169 B2Robert Bosch GmbH · 2015
- On-line battery management and monitoring system and method463US 6,031,354 AAIMS Systems, Inc. · 2000
- Apparatus and method for determining a charge of a battery380US 5,596,260 AApple Computer, Inc. · 1997
- Battery monitor and method for providing operating parameters299US 5,321,627 AGlobe-Union Inc. · 1994