G01R 31/388
Involving voltage measurements
Official title: involving voltage measurements
G01R31/388 (Involving voltage measurements) appears on 403 US grants and 631 published applications in this corpus.
Search patents in G01R- Granted patents
- 403
- Published applications
- 631
- Assignees
- 289
- Inventors
- 1,389
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 3 |
| 2003 | 7 | 10 |
| 2004 | 6 | 2 |
| 2005 | 1 | 5 |
| 2006 | 1 | 0 |
| 2007 | 3 | 2 |
| 2008 | 2 | 2 |
| 2009 | 2 | 4 |
| 2010 | 2 | 0 |
| 2011 | 0 | 3 |
| 2012 | 2 | 11 |
| 2013 | 6 | 12 |
| 2014 | 3 | 10 |
| 2015 | 12 | 14 |
| 2016 | 8 | 13 |
| 2017 | 8 | 16 |
| 2018 | 13 | 19 |
| 2019 | 17 | 46 |
| 2020 | 36 | 39 |
| 2021 | 25 | 56 |
| 2022 | 50 | 57 |
| 2023 | 52 | 73 |
| 2024 | 32 | 76 |
| 2025 | 57 | 90 |
| 2026 | 42 | 68 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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.
- Battery analyzer and method of use6 Oct 2026US 12,756,023 B2Flyzre LLC
- Method and system for predicting behavior of secondary battery on basis of parameter measurement22 Sep 2026US 12,742,824 B2Korea Electrotechnology Research Institute
- Base, voltage sampling assembly, and voltage testing apparatus15 Sep 2026US 12,738,550 B2Contemporary Amperex Technology (Hong Kong) Limited
- State-of-charge indicator8 Oct 2026US 2026/0309792 A1LAT Enterprises, Inc., d/b/a MediPak Energy Systems
- Charge Protocol Inspection Apparatus and Operating Method Thereof1 Oct 2026US 2026/0299040 A1LG Energy Solution, Ltd.
- Wireless battery management system and operating method therefor1 Oct 2026US 2026/0302387 A1Hyundai Motor Company
- Battery soc estimating apparatus and method24 Sep 2026US 2026/0287663 A1LG Energy Solution, Ltd.
- Method and apparatus for detecting battery cells with welding defects24 Sep 2026US 2026/0287669 A1Samsung SDI.Co., Ltd.
Most cited
By later US patents
- Temperature responsive battery tester179US 5,825,174 A1998
- Electronic battery tester156US 6,359,441 B1Midtronics, Inc. · 2002
- Electronic battery tester144US 6,556,019 B2Midtronics, Inc. · 2003
- Handheld tester for starting/charging systems139US 6,570,385 B1Actron Manufacturing Company · 2003
- Handheld tester for starting/charging systems129US 6,777,945 B2Actron Manufacturing Company · 2004