G01R 31/3832
Without measurement of battery voltage
Official title: without measurement of battery voltage
G01R31/3832 (Without measurement of battery voltage) appears on 146 US grants and 142 published applications in this corpus.
Search patents in G01R- Granted patents
- 146
- Published applications
- 142
- Assignees
- 128
- Inventors
- 399
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 2 |
| 2002 | 4 | 0 |
| 2003 | 5 | 2 |
| 2004 | 2 | 1 |
| 2005 | 2 | 0 |
| 2006 | 0 | 3 |
| 2007 | 1 | 4 |
| 2008 | 3 | 6 |
| 2009 | 4 | 0 |
| 2010 | 2 | 7 |
| 2011 | 5 | 3 |
| 2012 | 5 | 9 |
| 2013 | 2 | 6 |
| 2014 | 6 | 7 |
| 2015 | 3 | 3 |
| 2016 | 3 | 3 |
| 2017 | 7 | 11 |
| 2018 | 3 | 11 |
| 2019 | 10 | 11 |
| 2020 | 12 | 5 |
| 2021 | 7 | 6 |
| 2022 | 6 | 8 |
| 2023 | 4 | 13 |
| 2024 | 9 | 11 |
| 2025 | 8 | 2 |
| 2026 | 3 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electronic device and method for calibrating RSOC of a battery16 Jun 2026US 12,656,402 B2Quanta Computer Inc.
- System and method of estimating state of charge of battery using coulomb counting estimation with periodic calibration using artificial intelligence based estimation28 Apr 2026US 12,613,280 B2NXP B. V.
- Systems and methods for determining battery state of charge28 Apr 2026US 12,613,282 B2Cirrus Logic, Inc.
- Apparatus and method for battery SOC estimation23 Dec 2025US 12,504,478 B2Gotion Inc.
- Method for estimating battery capacity based on dynamic filter algorithm23 Dec 2025US 12,504,479 B2Beijing Big Moment Technology Co., Ltd.
- Power supply system and moving object1 Oct 2026US 2026/0299073 A1Honda Motor Co., Ltd.
- Device for measuring the quantity of charge remaining in at least one battery, fluid and/or thermal energy meter including such a measurement device, and clipper module27 Aug 2026US 2026/0253980 A1Diehl Metering GmbH
- Method for determining alternate state of health parameters2 Jul 2026US 2026/0186064 A1Fluence Energy, LLC
- Distributed coulomb counter7 May 2026US 2026/0126494 A1Analog Devices International Unlimited Company
- Predicting of a battery issue of a vehicle with multiple batteries9 Apr 2026US 2026/0098911 A1CPS Technology Holdings LLC
Most cited
By later US patents
- Circuit for measuring the capacity of a battery1,047US 4,931,737 AU. S. Philips Corporation · 1990
- Battery monitoring and deceleration dependent fuel-saving charging system251US 5,528,148 AElectronic Development, Inc. · 1996
- Battery capacity meter199US 5,699,050 ANissan Motor Co., Ltd. · 1997
- Battery state of charge monitor157US 5,444,378 AElectronic Development, Inc. · 1995
- Cellular hand held portable speakerphone system having an interface adapter128US 5,333,176 AMurata Machinery, Ltd. · 1994