G01R 31/3865
Related to manufacture
Official title: {related to manufacture, e.g. testing after manufacture}
G01R31/3865 (Related to manufacture) appears on 224 US grants and 364 published applications in this corpus.
Search patents in G01R- Granted patents
- 224
- Published applications
- 364
- Assignees
- 155
- Inventors
- 887
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 4 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 2 | 3 |
| 2011 | 1 | 2 |
| 2012 | 4 | 6 |
| 2013 | 3 | 2 |
| 2014 | 2 | 5 |
| 2015 | 6 | 7 |
| 2016 | 3 | 11 |
| 2017 | 6 | 9 |
| 2018 | 9 | 13 |
| 2019 | 12 | 23 |
| 2020 | 20 | 20 |
| 2021 | 13 | 13 |
| 2022 | 18 | 36 |
| 2023 | 29 | 43 |
| 2024 | 26 | 62 |
| 2025 | 30 | 50 |
| 2026 | 28 | 47 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dynamic control and performance assessment/optimization of secondary battery cell finishing (formation/aging/sorting/grading) utilizing simultaneous inline electrochemical methods and closed-loop process control29 Sep 2026US 12,749,723 B2Honeywell International Inc.
- Battery wetting state detection method and apparatus, device, system, and medium22 Sep 2026US 12,742,740 B2Contemporary Amperex Technology (Hong Kong) Limited
- Testing system, battery production line, and testing method22 Sep 2026US 12,742,796 B2Contemporary Amperex Technology Co., Limited
- Switching device for a test bench for electrical components and test bench for electrical components18 Aug 2026US 12,710,475 B2Hahn Automation GmbH
- Secondary battery low-voltage defect determination system and secondary battery defect determination method using the same11 Aug 2026US 12,704,554 B2LG Energy Solution, Ltd.
- Battery cell inspection method and battery inspection system17 Sep 2026US 2026/0276723 A1SK On Co., Ltd.
- Method and system for detecting defect of battery in formation process20 Aug 2026US 2026/0243842 A1SK On Co., Ltd.
- Devices, systems, and methods for use with electric battery cells undergoing maturation13 Aug 2026US 2026/0235679 A1Dukosi Limited
- Secondary Battery for Internal Short-Circuit Test and Manufacturing Method and Testing Method Thereof13 Aug 2026US 2026/0237856 A1LG Energy Solution, Ltd.
- Method and apparatus for sorting out defective battery cells23 Jul 2026US 2026/0211054 A1SK On Co., Ltd.
Most cited
By later US patents
- Apparatus for charging and discharging a battery device301US 6,259,230 B1Chroma Ate Inc. · 2001
- Method and system for testing and sorting batteries206US 4,363,407 APolaroid Corporation · 1982
- Electronic battery tester138US 6,566,883 B1Midtronics, Inc. · 2003
- Battery test contact assembly112US 5,903,154 A1999
- Method and apparatus for auditing a battery test98US 6,885,195 B2Midtronics, Inc. · 2005