G01R 22/00
Arrangements for measuring time integral of electric power or current
Official title: Arrangements for measuring time integral of electric power or current, e.g. electricity meters
G01R22/00 (Arrangements for measuring time integral of electric power or current) appears on 1,483 US grants and 1,667 published applications in this corpus.
Search patents in G01R- Granted patents
- 1,483
- Published applications
- 1,667
- Assignees
- 699
- Inventors
- 2,964
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 10 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 8 | 0 |
| 1996 | 14 | 0 |
| 1997 | 11 | 0 |
| 1998 | 10 | 0 |
| 1999 | 21 | 0 |
| 2000 | 20 | 0 |
| 2001 | 18 | 6 |
| 2002 | 15 | 20 |
| 2003 | 21 | 33 |
| 2004 | 32 | 28 |
| 2005 | 16 | 39 |
| 2006 | 24 | 38 |
| 2007 | 41 | 27 |
| 2008 | 22 | 47 |
| 2009 | 28 | 53 |
| 2010 | 26 | 46 |
| 2011 | 35 | 47 |
| 2012 | 28 | 68 |
| 2013 | 46 | 72 |
| 2014 | 44 | 82 |
| 2015 | 55 | 74 |
| 2016 | 47 | 99 |
| 2017 | 86 | 92 |
| 2018 | 74 | 81 |
| 2019 | 88 | 91 |
| 2020 | 90 | 118 |
| 2021 | 91 | 109 |
| 2022 | 109 | 107 |
| 2023 | 99 | 75 |
| 2024 | 82 | 82 |
| 2025 | 65 | 73 |
| 2026 | 42 | 60 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for a smart power module6 Oct 2026US 12,757,356 B2
- Magnetic field detection and interaction22 Sep 2026US 12,742,803 B2Aclara Technologies LLC
- Detecting transformer saturation in switched-mode power supplies15 Sep 2026US 12,738,852 B2STMicroelectronics S,r.l.
- Energy measurement device1 Sep 2026US 12,724,046 B2Chicony Power Technology Co., Ltd.
- Method and system for determining the energy consumption of a rail vehicle25 Aug 2026US 12,715,490 B2Siemens Mobility GmbH
- Voltage drop and capacity use calculation system8 Oct 2026US 2026/0309759 A1Basarsoft Bilgi Teknolojileri Anonim Sirketi
- System and method of validating readings of an energy meter24 Sep 2026US 2026/0287701 A1Honeywell International Inc.
- Power consumption calculation device, method, and computer-readable medium17 Sep 2026US 2026/0276685 A1NEC Corporation
- Utility meter with digital inputs and synchronization circuit17 Sep 2026US 2026/0276686 A1
- Active power metering device, adjustment power metering device, metering method, and program3 Sep 2026US 2026/0259251 A1Mitsubishi Heavy Industries, Ltd.
Most cited
By later US patents
- Engery management and building automation system884US 5,572,438 ATECO Energy Management Services · 1996
- Systems and methods for providing remote monitoring of consumption for a utility meter438US 6,836,737 B2StatSignal Systems, Inc. · 2004
- System for rate-related control of electrical loads435US 5,696,695 ATeCom AS · 1997
- Web bridged energy management system and method377US 6,636,893 B1Itron, Inc. · 2003
- Energy management system and method336US 6,178,362 B1Silicon Energy Corporation · 2001