G01R 19/28
Arrangements for measuring currents or voltages or for indicating presence or sign
Official title: adapted for measuring in circuits having distributed constants
G01R19/28 (Arrangements for measuring currents or voltages or for indicating presence or sign) appears on 45 US grants and 37 published applications in this corpus.
Search patents in G01R- Granted patents
- 45
- Published applications
- 37
- Assignees
- 35
- Inventors
- 83
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 6 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 2 | 4 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 4 | 2 |
| 2010 | 2 | 1 |
| 2011 | 4 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 2 | 2 |
| 2015 | 1 | 3 |
| 2016 | 1 | 2 |
| 2017 | 2 | 1 |
| 2018 | 1 | 1 |
| 2019 | 4 | 3 |
| 2020 | 2 | 4 |
| 2021 | 4 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 2 | 0 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for non-invasive sensing of radio-frequency current spectra flowing in a plasma processing chamber26 May 2026US 12,638,485 B2APPLIED Materials.Inc.
- Medium voltage sensor using a multi-component resistive voltage divider12 Nov 2024US 12,140,615 B2Aclara Technologies LLC
- Open-loop valley regulation for supply voltage modulation in power amplifier circuits9 Jan 2024US 11,870,396 B2Shenzhen Goodix Technology Co., Ltd.
- Sensor device for measuring current in electrical circuit10 Oct 2023US 11,785,708 B1Keysight Technologies, Inc.
- Medium voltage sensor using a multi-component resistive voltage divider8 Mar 2022US 11,268,991 B2Aclara Technologies LLC
- Dynamic on-resistance and threshold voltage instability evaluation circuit for power devices and operation method thereof25 Sep 2025US 2025/0298068 A1National Yang Ming.Chiao Tung University
- Medium voltage sensor using a multi-component resistive voltage divider16 Jan 2025US 2025/0020704 A1
- System and method for non-invasive sensing of radio-frequency current spectra flowing in a plasma processing chamber28 Sep 2023US 2023/0305045 A1Impedans Ltd
- Medium voltage sensor using a multi-component resistive voltage divider16 Jun 2022US 2022/0187346 A1Aclara Technologies LLC
- Open-loop valley regulation for supply voltage modulation in power amplifier circuits3 Mar 2022US 2022/0069774 A1Shenzhen Goodix Technology Co., Ltd.
Most cited
By later US patents
- Signal probe101US 4,646,005 AMotorola, Inc. · 1987
- Network-based system for selecting or purchasing hardware products31US 7,725,356 B2National Instruments Corporation · 2010
- Generating a configuration diagram based on user specification of a task28US 7,568,017 B2National Instruments Corporation · 2009
- Capacitively coupled RF voltage probe having optimized flux linkage26US 5,867,020 ASematech, Inc. · 1999
- Network-based system for selecting or purchasing products22US 7,430,524 B2National Instruments Corporation · 2008