G01R 22/04
Arrangements for measuring time integral of electric power or current: by calorimetric
Official title: by calorimetric methods
G01R22/04 (Arrangements for measuring time integral of electric power or current: by calorimetric) appears on 10 US grants and 7 published applications in this corpus.
Search patents in G01R- Granted patents
- 10
- Published applications
- 7
- Assignees
- 12
- Inventors
- 23
- Latest grant
- 24 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Thermoelectric power meter24 Dec 2024US 12,174,228 B2Keysight Technologies, Inc.
- Temperature compensated real-time clock18 Oct 2016US 9,470,726 B2Maxim Integrated Products, Inc.
- Process for measuring phase currents of a device for controlling electric motors made with ims technology or the like embedding, for such measure, resistance and temperature control device for power transistors5 Feb 2008US 7,327,117 B2Zapi S.P.A.
- Radio frequency power measurement23 May 2006US 7,049,805 B2Racal Instruments Wireless Solutions Limited
- Electromagnetic wave sensor27 Jul 2004US 6,767,128 B1Centre National de la Recherche Scientifique (CNRS)
- Device for measuring power in electrical protection panels in buildings by means of temperature measurement4 Apr 2024US 2024/0110958 A1Stemy Energy, S.L.
- Thermoelectric power meter15 Feb 2024US 2024/0053389 A1Keysight Technologies, Inc.
- Adaptable input/output apparatus and method26 Oct 2017US 2017/0307666 A1General Electric Company
- Temperature compensated real-time clock28 Apr 2016US 2016/0116515 A1Maxim Integrated Products, Inc.
- Radio frequency power measurement11 Aug 2005US 2005/0174101 A1Racal Instruments Wireless Solutions Limited
Most cited
By later US patents
- Microwave wattage indicator19US 4,916,386 A1990
- Calorimetric RF power meter with dynamic zeroing and constant temperature and power dissipation in the calorimetric bridge5US 5,663,638 AHewlett-Packard Company · 1997
- Method and apparatus for detecting electromagnetic waves3US 6,054,848 AMission Research Corporation · 2000
- Radio frequency power measurement3US 7,049,805 B2Racal Instruments Wireless Solutions Limited · 2006
- Method and system for utilizing multiple thermocouples to obtain a temperature contour map2US 6,348,807 B2Advanced Micro Devices, Inc. · 2002