G01R 31/3842
Combining voltage and current measurements
Official title: combining voltage and current measurements
G01R31/3842 (Combining voltage and current measurements) appears on 1,809 US grants and 2,462 published applications in this corpus.
Search patents in G01R- Granted patents
- 1,809
- Published applications
- 2,462
- Assignees
- 831
- Inventors
- 4,508
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 7 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 16 | 0 |
| 1995 | 7 | 0 |
| 1996 | 9 | 0 |
| 1997 | 20 | 0 |
| 1998 | 20 | 0 |
| 1999 | 13 | 0 |
| 2000 | 15 | 0 |
| 2001 | 18 | 5 |
| 2002 | 12 | 17 |
| 2003 | 16 | 18 |
| 2004 | 13 | 16 |
| 2005 | 12 | 21 |
| 2006 | 11 | 31 |
| 2007 | 9 | 26 |
| 2008 | 23 | 23 |
| 2009 | 25 | 25 |
| 2010 | 20 | 36 |
| 2011 | 18 | 40 |
| 2012 | 24 | 43 |
| 2013 | 32 | 59 |
| 2014 | 32 | 86 |
| 2015 | 49 | 113 |
| 2016 | 56 | 88 |
| 2017 | 81 | 82 |
| 2018 | 83 | 127 |
| 2019 | 124 | 151 |
| 2020 | 113 | 139 |
| 2021 | 148 | 181 |
| 2022 | 171 | 193 |
| 2023 | 135 | 218 |
| 2024 | 136 | 224 |
| 2025 | 172 | 263 |
| 2026 | 128 | 237 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system utilizing pulse voltammetry for testing battery6 Oct 2026US 12,754,240 B2CFD Research Corporation
- Cell voltage estimation method and battery system providing the same6 Oct 2026US 12,754,241 B2LG Energy Solution, Ltd.
- State-of-charge estimator for lithium-ion battery using hysteresis model6 Oct 2026US 12,754,244 B2GM Global Technology Operations LLC
- Determining longevity of batteries using depth of discharge6 Oct 2026US 12,754,246 B2Medtronic, Inc.
- Method for predicting by artificial intelligence the remaining life of an electrochemical battery cell and associated devices6 Oct 2026US 12,754,251 B2Saft
- Battery states co-estimation technique using dual square root unscented kalman filter8 Oct 2026US 2026/0309784 A1Smartkosh Technologies Private Limited
- Systems and methods for cell-based modeling performance of a battery pack8 Oct 2026US 2026/0309786 A1
- Module for detecting a battery level of charge, assembly comprising the module, and aircraft comprising the assembly8 Oct 2026US 2026/0309789 A1Safran Electrical & Power
- Battery management system and operation method therefor8 Oct 2026US 2026/0309795 A1Hyundai Motor Company
- Energy management system8 Oct 2026US 2026/0309796 A1Enphase Energy, Inc.
Most cited
By later US patents
- Smart battery power availability feature based on battery-specific characteristics1,241US 5,541,489 AIntel Corporation · 1996
- Mechanisms for compensating for battery pack failure in powered surgical instruments1,201US 10,292,704 B2Ethicon, Inc. · 2019
- Surgical instrument battery pack with voltage polling1,192US 9,974,539 B2Ethicon, Inc. · 2018
- Battery capacity estimating system and method1,065US 5,404,106 AFuji Jukogyo Kabushiki Kaisha · 1995
- Surgical instrument battery pack with power profile emulation1,041US 9,833,239 B2Ethicon, Inc. · 2017