G01R 31/3644
Constructional arrangements
Official title: {Constructional arrangements}
G01R31/3644 (Constructional arrangements) appears on 2,613 US grants and 2,857 published applications in this corpus.
Search patents in G01R- Granted patents
- 2,613
- Published applications
- 2,857
- Assignees
- 1,131
- Inventors
- 6,275
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 10 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 11 | 0 |
| 1982 | 9 | 0 |
| 1983 | 8 | 0 |
| 1984 | 4 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 10 | 0 |
| 1988 | 9 | 0 |
| 1989 | 14 | 0 |
| 1990 | 16 | 0 |
| 1991 | 11 | 0 |
| 1992 | 23 | 0 |
| 1993 | 13 | 0 |
| 1994 | 33 | 0 |
| 1995 | 23 | 0 |
| 1996 | 18 | 0 |
| 1997 | 57 | 0 |
| 1998 | 50 | 0 |
| 1999 | 41 | 0 |
| 2000 | 62 | 0 |
| 2001 | 60 | 15 |
| 2002 | 52 | 38 |
| 2003 | 43 | 45 |
| 2004 | 39 | 68 |
| 2005 | 39 | 54 |
| 2006 | 40 | 60 |
| 2007 | 25 | 53 |
| 2008 | 35 | 62 |
| 2009 | 44 | 74 |
| 2010 | 52 | 58 |
| 2011 | 46 | 42 |
| 2012 | 53 | 57 |
| 2013 | 42 | 65 |
| 2014 | 44 | 86 |
| 2015 | 65 | 174 |
| 2016 | 71 | 124 |
| 2017 | 97 | 132 |
| 2018 | 120 | 142 |
| 2019 | 155 | 183 |
| 2020 | 155 | 186 |
| 2021 | 155 | 162 |
| 2022 | 183 | 173 |
| 2023 | 143 | 233 |
| 2024 | 128 | 202 |
| 2025 | 155 | 206 |
| 2026 | 124 | 163 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Transport apparatus, battery test system, and battery production system6 Oct 2026US 12,753,055 B2Contemporary Amperex Technology Co., Limited
- Probe unit and charge/discharge inspection device6 Oct 2026US 12,754,238 B2Nippon Steel Texeng. Co., Ltd.
- Charge/discharge inspection device and charge/discharge inspection equipment6 Oct 2026US 12,754,239 B2Nippon Steel Texeng. Co., Ltd.
- Method and system utilizing pulse voltammetry for testing battery6 Oct 2026US 12,754,240 B2CFD Research Corporation
- Determining longevity of batteries using depth of discharge6 Oct 2026US 12,754,246 B2Medtronic, Inc.
- Intermediary calibration device using electric vehicle battery as electrical load8 Oct 2026US 2026/0307532 A1
- State-of-charge indicator8 Oct 2026US 2026/0309792 A1LAT Enterprises, Inc., d/b/a MediPak Energy Systems
- Systems and methods for automatically testing a battery and estimating a safety state using a testing system8 Oct 2026US 2026/0309801 A1Toyota Jidosha Kabushiki Kaisha
- Charge/Discharge Control Device and Charge/Discharge Control Method8 Oct 2026US 2026/0312419 A1Astemo, Ltd.
- Battery test bench and system for testing batteries1 Oct 2026US 2026/0298973 A1ZF Friedrichshafen AG
Most cited
By later US patents
- Method for utilizing temperature to determine a battery state1,468US 7,348,763 B1Linvatec Corporation · 2008
- Surgical apparatus configured to assess whether a performance parameter of the surgical apparatus is within an acceptable performance band1,320US 10,180,463 B2Ethicon, Inc. · 2019
- Smart battery power availability feature based on battery-specific characteristics1,241US 5,541,489 AIntel Corporation · 1996
- Monitoring technique for accurately determining residual capacity of a battery1,089US 6,157,169 ASamsung Electronics Co., Ltd. · 2000
- Rechargeable light curing apparatus1,066US 5,471,129 AIvoclar AG · 1995