G01R 31/385
Arrangements for measuring battery or accumulator variables
Official title: Arrangements for measuring battery or accumulator variables (for monitoring G01R31/382)
G01R31/385 (Arrangements for measuring battery or accumulator variables) appears on 1,689 US grants and 2,412 published applications in this corpus.
Search patents in G01R- Granted patents
- 1,689
- Published applications
- 2,412
- Assignees
- 844
- Inventors
- 4,929
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 13 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 12 | 0 |
| 1999 | 8 | 0 |
| 2000 | 16 | 0 |
| 2001 | 23 | 2 |
| 2002 | 14 | 17 |
| 2003 | 12 | 22 |
| 2004 | 16 | 29 |
| 2005 | 19 | 33 |
| 2006 | 22 | 18 |
| 2007 | 11 | 18 |
| 2008 | 12 | 12 |
| 2009 | 15 | 18 |
| 2010 | 15 | 14 |
| 2011 | 12 | 31 |
| 2012 | 20 | 55 |
| 2013 | 25 | 63 |
| 2014 | 25 | 72 |
| 2015 | 60 | 100 |
| 2016 | 59 | 73 |
| 2017 | 62 | 87 |
| 2018 | 83 | 95 |
| 2019 | 98 | 132 |
| 2020 | 118 | 148 |
| 2021 | 108 | 153 |
| 2022 | 151 | 198 |
| 2023 | 148 | 238 |
| 2024 | 127 | 266 |
| 2025 | 190 | 274 |
| 2026 | 139 | 244 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Charge/discharge inspection device and charge/discharge inspection equipment6 Oct 2026US 12,754,239 B2Nippon Steel Texeng. Co., Ltd.
- Method and apparatus with battery parameters determination6 Oct 2026US 12,754,243 B2Samsung Electronics Co., Ltd.
- State-of-charge estimator for lithium-ion battery using hysteresis model6 Oct 2026US 12,754,244 B2GM Global Technology Operations LLC
- Battery analyzer and method of use6 Oct 2026US 12,756,023 B2Flyzre LLC
- Method for predicting state-of-power of a multi-battery electric energy storage system29 Sep 2026US 12,746,845 B2Volvo Truck Corporation
- Peak hold device, impedance measurement device, metal deposition detection device, and battery internal temperature estimation device8 Oct 2026US 2026/0309755 A1Kabushiki Kaisha Toyota Chuo Kenkyusho
- State-of-charge indicator8 Oct 2026US 2026/0309792 A1LAT Enterprises, Inc., d/b/a MediPak Energy Systems
- Battery testing apparatus and operating method thereof1 Oct 2026US 2026/0298875 A1LG Energy Solution, Ltd.
- Charge Protocol Inspection Apparatus and Operating Method Thereof1 Oct 2026US 2026/0299040 A1LG Energy Solution, Ltd.
- Battery diagnostic device and method thereof1 Oct 2026US 2026/0299046 A1Samsung SDI.Co., Ltd.
Most cited
By later US patents
- Method for utilizing temperature to determine a battery state1,468US 7,348,763 B1Linvatec Corporation · 2008
- Battery capacity estimating system and method1,065US 5,404,106 AFuji Jukogyo Kabushiki Kaisha · 1995
- State of charge indicator for a battery charger837US 8,796,995 B2Black & Decker Inc. · 2014
- Battery condition monitor and monitoring method304US 4,678,998 ANissan Motor Co., Ltd. · 1987
- Apparatus for charging and discharging a battery device301US 6,259,230 B1Chroma Ate Inc. · 2001