G01R 21/10
Arrangements for measuring electric power or power factor: by using square-law characteristics
Official title: by using square-law characteristics of circuit elements, e.g. diodes, to measure power absorbed by loads of known impedance (G01R21/02 takes precedence)
G01R21/10 (Arrangements for measuring electric power or power factor: by using square-law characteristics) appears on 162 US grants and 124 published applications in this corpus.
Search patents in G01R- Granted patents
- 162
- Published applications
- 124
- Assignees
- 110
- Inventors
- 270
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 8 | 2 |
| 2002 | 6 | 6 |
| 2003 | 4 | 2 |
| 2004 | 7 | 5 |
| 2005 | 3 | 4 |
| 2006 | 5 | 1 |
| 2007 | 3 | 3 |
| 2008 | 1 | 9 |
| 2009 | 4 | 6 |
| 2010 | 7 | 4 |
| 2011 | 5 | 6 |
| 2012 | 5 | 6 |
| 2013 | 9 | 10 |
| 2014 | 4 | 9 |
| 2015 | 4 | 5 |
| 2016 | 10 | 8 |
| 2017 | 13 | 10 |
| 2018 | 9 | 6 |
| 2019 | 7 | 3 |
| 2020 | 8 | 4 |
| 2021 | 3 | 1 |
| 2022 | 3 | 4 |
| 2023 | 3 | 2 |
| 2024 | 2 | 3 |
| 2025 | 2 | 2 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Power detector16 Jun 2026US 12,656,378 B2STMicroelectronics International N. V.
- Methods and systems of power detection14 Oct 2025US 12,442,844 B2Molex Incorporated
- RF power amplifier integrated circuit having precision power detector8 Jul 2025US 12,352,790 B2Microwave Technology, Inc.
- Power detector19 Nov 2024US 12,146,902 B2QUALCOMM Incorporated
- RF/mm-wave peak detector with high-dynamic range calibration11 Jun 2024US 12,007,501 B2Texas Instruments Incorporated
- Sensor device and method for non-invasive monitoring of energy consumption usage17 Sep 2026US 2026/0276683 A1
- High dynamic range rf power detector30 Jul 2026US 2026/0222089 A1ViaSat, Inc.
- Power detector16 Jul 2026US 2026/0202450 A1Fujikura Ltd.
- Wireless Circuitry with Low-Noise Peak Detection4 Sep 2025US 2025/0277825 A1Apple Inc.
- Radiofrequency detector circuit and corresponding radiofrequency detection method3 Apr 2025US 2025/0110161 A1STMicroelectronics International N. V.
Most cited
By later US patents
- Calibrated power detector90US 4,794,325 AWavetek Corporation · 1988
- High-frequency circuit and communications apparatus comprising same82US 7,705,692 B2Hitachi Metals, Ltd. · 2010
- Monitoring power-related parameters in a power distribution unit68US 8,321,163 B2Server Technology, Inc. · 2012
- Near field probe62US 6,940,264 B2The United States of America as represented by the Secretary of the Navy · 2005
- Mobile station having drift-free pulsed power detection method and apparatus59US 6,173,160 B2Nokia Mobile Phones Ltd. · 2001