G01R 21/04
In circuits having distributed constants
Official title: in circuits having distributed constants
G01R21/04 (In circuits having distributed constants) appears on 37 US grants and 18 published applications in this corpus.
Search patents in G01R- Granted patents
- 37
- Published applications
- 18
- Assignees
- 32
- Inventors
- 73
- Latest grant
- 6 Dec 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 3 |
| 2004 | 2 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 2 | 3 |
| 2011 | 2 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Clock instantaneous temperature-rate-of-change measurement6 Dec 2022US 11,520,369 B2QUALCOMM Incorporated
- Microwave detector26 Oct 2021US 11,156,502 B2Raytheon BBN Technologies Corp.
- Power measurement system and power temperature converter12 Apr 2016US 9,310,404 B2Fujitsu Limited
- Test probe with integrated test transformer14 Jul 2015US 9,081,035 B2Rohde & Schwarz GmbH & Co.KG
- Apparatus for detecting electromagnetic wave6 Sep 2011US 8,013,988 B2Hon Hai Precision Industry Co., Ltd.
- Adapter device and method for measuring the signal power in a coaxial connection1 Aug 2024US 2024/0258750 A1Sick AG
- Clock instantaneous temperature-rate-of-change measurement5 Aug 2021US 2021/0240217 A1QUALCOMM Incorporated
- Microwave detector19 Nov 2020US 2020/0363267 A1Raytheon BBN Technologies Corp.
- Systems, methods, and media for energy usage simulators17 Sep 2015US 2015/0261898 A1Arizona Board of Regents for and on behalf of Arizona State University
- Power measurement system and power temperature converter6 Jun 2013US 2013/0141078 A1Fujitsu Limited
Most cited
By later US patents
- RF power monitor utilizing bi-directional coupler23US 4,034,289 AMotorola, Inc. · 1977
- Wide dynamic range radio-frequency power sensor22US 4,943,764 AHewlett-Packard Company · 1990
- Microwave wattage indicator19US 4,916,386 A1990
- Broadband micro-machined thermal power sensor19US 7,705,582 B2Anritsu Corporation · 2010
- Monolithic microwave power sensor using a heat sensing diode junction17US 5,302,024 ALockheed Sanders, Inc. · 1994