G01R 19/0046
Arrangements for measuring currents or voltages or for indicating presence or sign
Official title: {characterised by a specific application or detail not covered by any other subgroup of G01R19/00}
G01R19/0046 (Arrangements for measuring currents or voltages or for indicating presence or sign) appears on 443 US grants and 474 published applications in this corpus.
Search patents in G01R- Granted patents
- 443
- Published applications
- 474
- Assignees
- 365
- Inventors
- 1,175
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 9 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 3 |
| 2002 | 9 | 3 |
| 2003 | 8 | 4 |
| 2004 | 3 | 7 |
| 2005 | 9 | 18 |
| 2006 | 8 | 8 |
| 2007 | 5 | 10 |
| 2008 | 12 | 9 |
| 2009 | 7 | 14 |
| 2010 | 11 | 8 |
| 2011 | 7 | 3 |
| 2012 | 8 | 9 |
| 2013 | 10 | 21 |
| 2014 | 8 | 17 |
| 2015 | 18 | 17 |
| 2016 | 12 | 25 |
| 2017 | 22 | 24 |
| 2018 | 20 | 30 |
| 2019 | 31 | 21 |
| 2020 | 24 | 25 |
| 2021 | 25 | 35 |
| 2022 | 25 | 34 |
| 2023 | 29 | 31 |
| 2024 | 29 | 37 |
| 2025 | 25 | 22 |
| 2026 | 15 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ripple detection device and seat device6 Oct 2026US 12,754,218 B2Alps Alpine Co., Ltd.
- System and method for diagnosing vehicle power distribution using battery-terminal and ECU-reported voltage correlation22 Sep 2026US 12,742,833 B1Innova Electronics Corporation
- Noise cancellation circuit18 Aug 2026US 12,712,503 B2Apple Inc.
- Current-detecting method for overcoming the limitations of lower-arm current detection11 Aug 2026US 12,704,531 B2Delta Electronics, Inc.
- Current sensing integrated circuit and corresponding method16 Jun 2026US 12,656,380 B2Infineon Technologies Austria AG
- Signal sampling circuit, battery management system, battery system, and power consuming apparatus1 Oct 2026US 2026/0298987 A1Contemporary Amperex Technology Co., Limited
- Control system and control method thereof1 Oct 2026US 2026/0302915 A1Delta Electronics, Inc.
- Voltage estimation device and voltage estimation method24 Sep 2026US 2026/0287624 A1Honda Motor Co., Ltd.
- System and method for managing electric grid24 Sep 2026US 2026/0287678 A1Safegrid Oy
- System comprising a power supplying and/or absorbing device connected to a power system and a related method24 Sep 2026US 2026/0291229 A1Hitachi Energy Ltd
Most cited
By later US patents
- High speed sampler and demultiplexer166US 5,479,120 AThe Regents of the University of California · 1995
- High speed transient sampler164US 5,471,162 AThe Regents of the University of California · 1995
- Radio frequency Langmuir probe105US 7,015,703 B2Scientific Systems Research Limited · 2006
- High-pass filter for enhancing the resolution of AC power line harmonic measurements73US 5,347,464 ABasic Measuring Instruments · 1994
- Transient digitizer with displacement current samplers69US 5,519,342 AThe Regents of the University of California · 1996