G01R 21/07
In circuits having distributed constants
Official title: in circuits having distributed constants (G01R21/09 takes precedence)
G01R21/07 (In circuits having distributed constants) appears on 21 US grants and 19 published applications in this corpus.
Search patents in G01R- Granted patents
- 21
- Published applications
- 19
- Assignees
- 21
- Inventors
- 63
- Latest grant
- 12 Aug 2025
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 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 3 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 4 |
| 2016 | 0 | 1 |
| 2017 | 3 | 1 |
| 2018 | 3 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 2 |
| 2024 | 1 | 1 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Multi-port meter12 Aug 2025US 12,385,956 B2Landis+Gyr Technology, Inc.
- Method and apparatus for suppressing grid voltage imbalance5 Aug 2025US 12,381,491 B2Contemporary Amperex Technology (Hong Kong) Limited
- Electronic monitoring circuit for detecting the variation in the power or current absorbed by at least one electronic circuit under test and electronic system for testing the operation of the at least one electronic circuit2 Jan 2024US 11,860,218 B2Eldor Corporation S.P.A.
- Resonant phase sensing of resistive-inductive-capacitive sensors2 Feb 2021US 10,908,200 B2Cirrus Logic, Inc.
- Power detector25 Sep 2018US 10,082,528 B2Mediatek Inc.
- Power detector and method for operating a power detector12 Jun 2025US 2025/0189565 A1NXP B. V.
- Multi-port meter17 Oct 2024US 2024/0345143 A1Landis+Gyr Technology, Inc.
- Method and apparatus for suppressing grid voltage imbalance16 Nov 2023US 2023/0369987 A1Contemporary Amperex Technology Co., Limited
- Accurate determination of radio frequency power through digital inversion of sensor effects26 Oct 2023US 2023/0341448 A1Lam Research Corporation
- Electronic monitoring circuit for detecting the variation in the power or current absorbed by at least one electronic circuit under test and electronic system for testing the operation of the at least one electronic circuit18 Aug 2022US 2022/0260628 A1Eldor Corporation S.P.A.
Most cited
By later US patents
- Radio frequency power meter24US 7,966,140 B12011
- Current detecting device, impedance measuring instrument and power measuring instrument20US 6,414,476 B1Agilent Technologies, Inc. · 2002
- Apparatus and method for radio frequency power and standing wave ratio measurement20US 7,151,382 B1Rockwell Collins, Inc. · 2006
- Virtual branch load management20US 7,526,393 B22009
- Resonant phase sensing of resistive-inductive-capacitive sensors19US 10,908,200 B2Cirrus Logic, Inc. · 2021