G01R 19/2503
For measuring voltage only
Official title: {for measuring voltage only, e.g. digital volt meters (DVM's) (G01R19/2506 - G01R19/257 take precedence)}
G01R19/2503 (For measuring voltage only) appears on 147 US grants and 173 published applications in this corpus.
Search patents in G01R- Granted patents
- 147
- Published applications
- 173
- Assignees
- 142
- Inventors
- 396
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 2 | 1 |
| 2007 | 3 | 4 |
| 2008 | 3 | 2 |
| 2009 | 2 | 3 |
| 2010 | 2 | 5 |
| 2011 | 3 | 7 |
| 2012 | 3 | 6 |
| 2013 | 8 | 10 |
| 2014 | 4 | 14 |
| 2015 | 7 | 6 |
| 2016 | 12 | 9 |
| 2017 | 11 | 7 |
| 2018 | 11 | 15 |
| 2019 | 15 | 13 |
| 2020 | 10 | 8 |
| 2021 | 5 | 8 |
| 2022 | 7 | 8 |
| 2023 | 3 | 4 |
| 2024 | 10 | 17 |
| 2025 | 10 | 11 |
| 2026 | 9 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Battery current monitoring method, controller and circuit29 Sep 2026US 12,748,149 B2Huizhou Roypow Technology Co., Ltd
- Correction method for stabilizing output of VR inverter and related assembly29 Sep 2026US 12,748,473 B2Suzhou Metabrain Intelligent Technology Co., Ltd.
- Apparatus, system and method of providing a smart powerline event and health monitoring of power distribution systems using surge protection devices8 Sep 2026US 12,730,136 B2Eaton Intelligent Power Limited
- Multi-channel handheld digital multimeter having separate common terminals25 Aug 2026US 12,716,923 B2Fluke Corporation
- Temperature measurement techniques for battery management circuits9 Jun 2026US 12,650,349 B2Infineon Technologies AG
- Voltage detection circuit and voltage detection method10 Sep 2026US 2026/0269594 A1Eve Energy Co., Ltd.
- Analog to pulse width modulation (pwm) circuit3 Sep 2026US 2026/0261267 A1Webasto Charging Systems, Inc.
- Voltage regulation method for three-phase four-bridge-arm three-level inverter27 Aug 2026US 2026/0254371 A1Shanghai Chint Power Systems Co., Ltd.
- Complete system power cycle detection and related methods30 Jul 2026US 2026/0220271 A1Microsoft Technology Licensing, LLC
- Erroneous power adapter detection system11 Jun 2026US 2026/0160789 A1Altice Labs, S.A.
Most cited
By later US patents
- Front-end architecture for a measurement instrument26US 5,930,745 AFluke Corporation · 1999
- Digital multimeters including a remote display19US 8,405,380 B2Fluke Corporation · 2013
- Handheld low voltage testing device18US 6,866,639 B2Everest Biomedical Instruments Co. · 2005
- Method of voltage measurement and apparatus for same16US 7,656,164 B2Yazaki Corporation · 2010
- High-voltage indicating apparatus and method15US 6,998,832 B1HD Electric Company · 2006