G01R 19/25
Arrangements for measuring currents or voltages or for indicating presence or sign
Official title: using digital measurement techniques
G01R19/25 (Arrangements for measuring currents or voltages or for indicating presence or sign) appears on 2,808 US grants and 3,013 published applications in this corpus.
Search patents in G01R- Granted patents
- 2,808
- Published applications
- 3,013
- Assignees
- 1,383
- Inventors
- 6,566
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 8 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 7 | 0 |
| 1982 | 8 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 8 | 0 |
| 1987 | 8 | 0 |
| 1988 | 9 | 0 |
| 1989 | 15 | 0 |
| 1990 | 9 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 10 | 0 |
| 1994 | 10 | 0 |
| 1995 | 13 | 0 |
| 1996 | 29 | 0 |
| 1997 | 12 | 0 |
| 1998 | 37 | 0 |
| 1999 | 22 | 0 |
| 2000 | 16 | 0 |
| 2001 | 33 | 6 |
| 2002 | 29 | 20 |
| 2003 | 28 | 27 |
| 2004 | 27 | 27 |
| 2005 | 24 | 38 |
| 2006 | 35 | 46 |
| 2007 | 42 | 42 |
| 2008 | 30 | 55 |
| 2009 | 35 | 76 |
| 2010 | 39 | 77 |
| 2011 | 54 | 53 |
| 2012 | 63 | 87 |
| 2013 | 61 | 104 |
| 2014 | 65 | 118 |
| 2015 | 67 | 132 |
| 2016 | 114 | 177 |
| 2017 | 154 | 137 |
| 2018 | 137 | 197 |
| 2019 | 218 | 237 |
| 2020 | 208 | 246 |
| 2021 | 240 | 204 |
| 2022 | 214 | 212 |
| 2023 | 173 | 203 |
| 2024 | 186 | 200 |
| 2025 | 163 | 172 |
| 2026 | 106 | 120 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01R 19/2513Arrangements for monitoring electric power systems1,499
- G01R 19/2506Arrangements for conditioning or analysing measured signals737
- G01R 19/2503For measuring voltage only147
- G01R 19/252Using analogue/digital converters of the type with conversion of voltage or current114
- G01R 19/257Using analogue/digital converters of the type with comparison of different reference values102
- G01R 19/255Using analogue/digital converters of the type with counting of pulses during a51
- G01R 19/2516Modular arrangements for computer based systems47
Recent patents
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- Correction method for stabilizing output of VR inverter and related assembly29 Sep 2026US 12,748,473 B2Suzhou Metabrain Intelligent Technology Co., Ltd.
- A method and a fault locator system for determining a location of a fault in a transmission line1 Oct 2026US 2026/0298998 A1Hitachi Energy Ltd
- Flux gate-type residual current detection device and control method of same device24 Sep 2026US 2026/0287620 A1Ls Electric Co., Ltd.
- Battery sensing device24 Sep 2026US 2026/0287661 A1Renesas Design (UK) Limited
- Transient overvoltage detection system and method17 Sep 2026US 2026/0276681 A1
- Utility meter with digital inputs and synchronization circuit17 Sep 2026US 2026/0276686 A1
Most cited
By later US patents
- Web bridged energy management system and method377US 6,636,893 B1Itron, Inc. · 2003
- Energy management system and method336US 6,178,362 B1Silicon Energy Corporation · 2001
- Power line communication and power distribution parameter measurement system and method296US 7,795,877 B2Current Technologies, LLC · 2010
- Method and system for monitoring and controlling an electrical distribution network275US 6,005,759 AABB Power T&D Company Inc. · 1999
- Automated system and method for modeling the behavior of vehicles and other agents262US 9,495,874 B1Google Inc. · 2016