G01R 15/12
Circuits for multi-testers , i.e. multimeters
Official title: Circuits for multi-testers {, i.e. multimeters}, e.g. for measuring voltage, current, or impedance at will
G01R15/12 (Circuits for multi-testers , i.e. multimeters) appears on 342 US grants and 262 published applications in this corpus.
Search patents in G01R- Granted patents
- 342
- Published applications
- 262
- Assignees
- 150
- Inventors
- 571
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 8 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 6 | 0 |
| 1996 | 10 | 0 |
| 1997 | 11 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 15 | 0 |
| 2001 | 11 | 0 |
| 2002 | 6 | 4 |
| 2003 | 8 | 7 |
| 2004 | 6 | 9 |
| 2005 | 6 | 8 |
| 2006 | 4 | 2 |
| 2007 | 7 | 7 |
| 2008 | 5 | 10 |
| 2009 | 7 | 23 |
| 2010 | 11 | 12 |
| 2011 | 11 | 13 |
| 2012 | 7 | 9 |
| 2013 | 9 | 11 |
| 2014 | 6 | 10 |
| 2015 | 12 | 10 |
| 2016 | 6 | 15 |
| 2017 | 14 | 18 |
| 2018 | 19 | 13 |
| 2019 | 16 | 18 |
| 2020 | 17 | 12 |
| 2021 | 10 | 8 |
| 2022 | 12 | 8 |
| 2023 | 11 | 7 |
| 2024 | 7 | 16 |
| 2025 | 10 | 11 |
| 2026 | 5 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tester with self-test functions1 Sep 2026US 12,724,101 B2Fluke Corporation
- Multi-channel handheld digital multimeter having separate common terminals25 Aug 2026US 12,716,923 B2Fluke Corporation
- Active probe for measuring voltage at high impedances4 Aug 2026US 12,699,117 B2Ateq
- Device for measuring electrical quantities in an electrical installation and associated system7 Jul 2026US 12,674,820 B2Schneider Electric Industries SAS
- Systems, devices, and methods for measuring direct current/low frequency signal components31 Mar 2026US 12,590,996 B2Tektronix, Inc.
- Input Facility, Controller, and Measurement Apparatus8 Jan 2026US 2026/0009824 A1Siemens Aktiengesellschaft
- Measurement device having limit gauges11 Dec 2025US 2025/0377381 A1Fluke Corporation
- Terminal configurations of pxie digital multimeter and adapter27 Nov 2025US 2025/0362324 A1Keysight Technologies, Inc.
- Multimeter with a meter probe module and phasing probe module capable of wirless communication and proximity measurements6 Nov 2025US 2025/0341546 A1STB Electrical Test Equipment, Inc.
- Electronic Measuring Instrument24 Jul 2025US 2025/0237676 A1Power Probe Group, Inc.
Most cited
By later US patents
- Variable color digital display for emphasizing position of decimal point199US 5,003,298 A1991
- Variable color display system185US 6,018,237 ATexas Digital Systems, Inc. · 2000
- Multicolor logic device159US 5,194,854 A1993
- Pyrometer multimeter143US 6,095,682 AOmega Engineering, Inc. · 2000
- Variable color digital multimeter140US 4,794,383 A1988