G01R 19/00
Arrangements for measuring currents or voltages or for indicating presence or sign
Official title: Arrangements for measuring currents or voltages or for indicating presence or sign thereof (G01R5/00 takes precedence; for measuring bioelectric currents or voltages A61B5/24)
G01R19/00 (Arrangements for measuring currents or voltages or for indicating presence or sign) appears on 12,480 US grants and 12,162 published applications in this corpus.
Search patents in G01R- Granted patents
- 12,480
- Published applications
- 12,162
- Assignees
- 4,142
- Inventors
- 25,014
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 110 | 0 |
| 1977 | 127 | 0 |
| 1978 | 93 | 0 |
| 1979 | 85 | 0 |
| 1980 | 93 | 0 |
| 1981 | 96 | 0 |
| 1982 | 83 | 0 |
| 1983 | 54 | 0 |
| 1984 | 67 | 0 |
| 1985 | 100 | 0 |
| 1986 | 89 | 0 |
| 1987 | 95 | 0 |
| 1988 | 81 | 0 |
| 1989 | 105 | 0 |
| 1990 | 62 | 0 |
| 1991 | 73 | 0 |
| 1992 | 71 | 0 |
| 1993 | 48 | 0 |
| 1994 | 76 | 0 |
| 1995 | 104 | 0 |
| 1996 | 113 | 0 |
| 1997 | 80 | 0 |
| 1998 | 130 | 0 |
| 1999 | 109 | 0 |
| 2000 | 91 | 0 |
| 2001 | 126 | 28 |
| 2002 | 132 | 97 |
| 2003 | 125 | 135 |
| 2004 | 113 | 127 |
| 2005 | 107 | 161 |
| 2006 | 145 | 182 |
| 2007 | 126 | 174 |
| 2008 | 147 | 190 |
| 2009 | 139 | 257 |
| 2010 | 164 | 250 |
| 2011 | 193 | 228 |
| 2012 | 204 | 301 |
| 2013 | 233 | 420 |
| 2014 | 284 | 501 |
| 2015 | 367 | 644 |
| 2016 | 495 | 630 |
| 2017 | 654 | 615 |
| 2018 | 565 | 700 |
| 2019 | 775 | 950 |
| 2020 | 864 | 891 |
| 2021 | 845 | 820 |
| 2022 | 820 | 865 |
| 2023 | 731 | 849 |
| 2024 | 774 | 817 |
| 2025 | 671 | 755 |
| 2026 | 446 | 575 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01R 19/165Indicating that current or voltage is either above or below a predetermined4,334
- G01R 19/25Arrangements for measuring currents or voltages or for indicating presence or sign2,808
- G01R 19/0092Measuring current only2,261
- G01R 19/145Indicating the presence of current or voltage780
- G01R 19/0084Measuring voltage only750
- G01R 19/10Measuring sum, difference or ratio521
- G01R 19/04Measuring peak values or amplitude or envelope of ac or of pulses514
- G01R 19/0046Arrangements for measuring currents or voltages or for indicating presence or sign443
All 23 subgroupsShow fewer
- G01R 19/0038Circuits for comparing several input signals and for indicating the result of301
- G01R 19/32Compensating for temperature change281
- G01R 19/175Indicating the instants of passage of current or voltage through a given269
- G01R 19/02Measuring effective values, i.e. root-mean-square values251
- G01R 19/0023Measuring currents or voltages from sources with high internal resistance by means191
- G01R 19/22Arrangements for measuring currents or voltages or for indicating presence or sign189
- G01R 19/14Indicating direction of current165
- G01R 19/003Measuring mean values of current or voltage during a given time interval136
- G01R 19/0007Frequency selective voltage or current level measuring134
- G01R 19/12Measuring rate of change131
- G01R 19/18Arrangements for measuring currents or voltages or for indicating presence or sign122
- G01R 19/30Measuring the maximum or the minimum value of current or voltage reached48
- G01R 19/28Arrangements for measuring currents or voltages or for indicating presence or sign45
- G01R 19/08Measuring current density29
- G01R 19/06Measuring real component18
Recent patents
- Medium or high voltage instrument voltage transformer6 Oct 2026US 12,754,211 B2ABB Schweiz AG
- Current sensor for multiple currents6 Oct 2026US 12,754,215 B2Melexis Technologies SA
- Current sensor6 Oct 2026US 12,754,216 B2Schaeffler Technologies AG & Co. KG
- Ripple detection device and seat device6 Oct 2026US 12,754,218 B2Alps Alpine Co., Ltd.
- Voltage detection circuit, display driver, and display device6 Oct 2026US 12,754,219 B2Rohm Co., Ltd.
- Overhead powerline detection8 Oct 2026US 2026/0309751 A1Komatsu Australia Pty Ltd
- Device for Determining an Electric Current Through a Line in a Vehicle8 Oct 2026US 2026/0309752 A1Bayerische Motoren Werke Aktiengesellschaft
- Current sensor and manufacturing method of current sensor8 Oct 2026US 2026/0309753 A1Asahi Kasei Microdevices Corporation
- Current sensing capabilities for power semiconductor devices8 Oct 2026US 2026/0309754 A1Microchip Technology Incorporated
- Peak hold device, impedance measurement device, metal deposition detection device, and battery internal temperature estimation device8 Oct 2026US 2026/0309755 A1Kabushiki Kaisha Toyota Chuo Kenkyusho
Most cited
By later US patents
- Surgical stapler having current mirror-based motor control1,222US 10,076,326 B2Ethicon, Inc. · 2018
- Mechanisms for compensating for battery pack failure in powered surgical instruments1,201US 10,292,704 B2Ethicon, Inc. · 2019
- Monitoring technique for accurately determining residual capacity of a battery1,089US 6,157,169 ASamsung Electronics Co., Ltd. · 2000
- Surgical stapler having temperature-based motor control968US 10,085,751 B2Ethicon, Inc. · 2018
- Motor current sense circuit using H bridge circuits888US 5,773,991 ATexas Instruments Incorporated · 1998