G01R 31/386
Using test-loads
Official title: {using test-loads}
G01R31/386 (Using test-loads) appears on 272 US grants and 280 published applications in this corpus.
Search patents in G01R- Granted patents
- 272
- Published applications
- 280
- Assignees
- 218
- Inventors
- 709
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 7 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 4 | 0 |
| 2000 | 9 | 0 |
| 2001 | 10 | 0 |
| 2002 | 9 | 7 |
| 2003 | 6 | 5 |
| 2004 | 6 | 14 |
| 2005 | 8 | 11 |
| 2006 | 7 | 8 |
| 2007 | 6 | 7 |
| 2008 | 1 | 4 |
| 2009 | 6 | 6 |
| 2010 | 6 | 4 |
| 2011 | 4 | 4 |
| 2012 | 8 | 16 |
| 2013 | 3 | 8 |
| 2014 | 3 | 7 |
| 2015 | 12 | 7 |
| 2016 | 8 | 6 |
| 2017 | 4 | 16 |
| 2018 | 13 | 14 |
| 2019 | 12 | 10 |
| 2020 | 9 | 16 |
| 2021 | 18 | 22 |
| 2022 | 20 | 16 |
| 2023 | 12 | 16 |
| 2024 | 10 | 25 |
| 2025 | 16 | 17 |
| 2026 | 9 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Battery analyzer and method of use6 Oct 2026US 12,756,023 B2Flyzre LLC
- Multi-module battery system testing21 Jul 2026US 12,687,583 B2The Boeing Company
- System and method for battery parameter recharacterization28 Apr 2026US 12,613,286 B2Garrett Transportation I Inc.
- Battery diagnosis apparatus21 Apr 2026US 12,607,680 B2Subaru Corporation
- Apparatus and methods for testing electrochemical systems10 Mar 2026US 12,571,851 B2Cadex Electronics Inc.
- Battery Diagnosing Apparatus and Method27 Aug 2026US 2026/0251720 A1LG Energy Solution, Ltd.
- Apparatus and methods for testing electrochemical systems20 Aug 2026US 2026/0243841 A1Cadex Electronics Inc.
- Battery measurement13 Aug 2026US 2026/0235697 A1Cellife Technologies Oy
- Battery management system16 Jul 2026US 2026/0202482 A1Toyota Jidosha Kabushiki Kaisha
- Asymmetric testing and deployment of storage devices11 Jun 2026US 2026/0160819 A1
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
- Battery condition monitor and monitoring method304US 4,678,998 ANissan Motor Co., Ltd. · 1987
- Method and means for adjusting battery monitor based on rate of current drawn from the battery269US 5,451,881 ACurtis Instruments, Inc. · 1995
- Method of monitoring the internal impedance of an accumulator battery in an uninterruptible power supply, and an uninterruptible power supply255US 5,457,377 AFPS Power Systems OY AB · 1995