G01R 21/06
Arrangements for measuring electric power or power factor: by measuring current and
Official title: by measuring current and voltage (G01R21/08 - G01R21/133 take precedence)
G01R21/06 (Arrangements for measuring electric power or power factor: by measuring current and) appears on 485 US grants and 577 published applications in this corpus.
Search patents in G01R- Granted patents
- 485
- Published applications
- 577
- Assignees
- 387
- Inventors
- 1,284
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 2 |
| 2002 | 9 | 4 |
| 2003 | 4 | 2 |
| 2004 | 4 | 4 |
| 2005 | 3 | 6 |
| 2006 | 4 | 5 |
| 2007 | 7 | 4 |
| 2008 | 4 | 3 |
| 2009 | 4 | 13 |
| 2010 | 3 | 15 |
| 2011 | 9 | 17 |
| 2012 | 7 | 12 |
| 2013 | 17 | 39 |
| 2014 | 17 | 54 |
| 2015 | 22 | 45 |
| 2016 | 38 | 52 |
| 2017 | 61 | 29 |
| 2018 | 43 | 38 |
| 2019 | 34 | 30 |
| 2020 | 34 | 37 |
| 2021 | 29 | 39 |
| 2022 | 33 | 33 |
| 2023 | 28 | 26 |
| 2024 | 22 | 29 |
| 2025 | 26 | 21 |
| 2026 | 12 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Self heating extraction design and methodology with power consumption correction18 Aug 2026US 12,710,319 B2International Business Machines Corporation
- Method for power calibration18 Aug 2026US 12,710,458 B2ElectDis AB
- Estimating an upgraded power curve28 Jul 2026US 12,692,842 B2Siemens Gamesa Renewable Energy Innovation & Technology S.L.
- Wireless electrical sensor and electrical parameter measurement and calculation apparatus, method and system14 Jul 2026US 12,681,061 B2Accupower Electronic Technologies Co., Ltd. of Taiyuan
- Method and system for calibrating voltage measurements in a system for measuring electrical quantities2 Jun 2026US 12,644,948 B2Schneider Electric Industries SAS
- Power conversion apparatus and outdoor unit of air conditioner8 Oct 2026US 2026/0312512 A1Mitsubishi Electric Corporation
- An aerosol-generating system and method for controlling power provided to a heater17 Sep 2026US 2026/0272053 A1Philip Morris Products S. A.
- Power device and a method for determining whether a load is present10 Sep 2026US 2026/0266879 A1Cyber Power Systems, Inc.
- Power detection circuit and method of operating the same13 Aug 2026US 2026/0235650 A1Chicony Power Technology Co., Ltd.
- System for estimating power dissipation and/or efficiency2 Jul 2026US 2026/0186033 A1Cirrus Logic International Semiconductor Ltd.
Most cited
By later US patents
- Real-time power line rating232US 8,386,198 B2Southwire Company · 2013
- Plasma supply device96US 8,129,653 B2HUETTINGER Elektronik GmbH + Co. KG · 2012
- High frequency power supply65US 8,466,622 B2HUETTINGER Elektronik GmbH + Co. KG · 2013
- Electricity metering with a current transformer55US 7,359,809 B2Veris Industries, LLC · 2008
- Current measuring probe and electrical energy meter for use therewith52US 6,825,650 B1Suparules Limited · 2004