G01R 21/007
Arrangements for measuring electric power or power factor: adapted for special tariff
Official title: {Adapted for special tariff measuring (G01R21/01, G01R21/02, G01R21/08, G01R21/10, G01R21/1278 and G01R21/1333 take precedence)}
G01R21/007 (Arrangements for measuring electric power or power factor: adapted for special tariff) appears on 69 US grants and 51 published applications in this corpus.
Search patents in G01R- Granted patents
- 69
- Published applications
- 51
- Assignees
- 53
- Inventors
- 137
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 2 |
| 2015 | 2 | 2 |
| 2016 | 0 | 5 |
| 2017 | 2 | 6 |
| 2018 | 2 | 4 |
| 2019 | 4 | 7 |
| 2020 | 7 | 7 |
| 2021 | 4 | 4 |
| 2022 | 7 | 2 |
| 2023 | 5 | 3 |
| 2024 | 2 | 2 |
| 2025 | 1 | 1 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for maintaining a measure of accumulated energy delivered to an appliance by a first smart socket followed by a second replacement smart socket9 Jun 2026US 12,651,902 B2Honeywell International Inc.
- Differential dual sensor contactless magnetic-mode electrical current sensors with tamper detection24 Mar 2026US 12,584,947 B2Spindrift Innovations, LLC
- Multi-port meter12 Aug 2025US 12,385,956 B2Landis+Gyr Technology, Inc.
- Wireless broadband meter collar16 Jul 2024US 12,040,909 B2Avista Edge, Inc.
- System and method for detecting malicious activities and anomalies in building systems19 Mar 2024US 11,934,522 B2Carrier Corporation
- Management system for work machine and management method for work machine8 Oct 2026US 2026/0307527 A1Komatsu Ltd.
- Differential dual sensor contactless magnetic-mode electrical current sensors with tamper detection3 Sep 2026US 2026/0259250 A1Spindrift Innovations, LLC
- Adapter for use in testing an energy meter30 Jul 2026US 2026/0219351 A1Landis+Gyr Technology, Inc.
- Insert for a meter box18 Jun 2026US 2026/0171331 A1ABB Schweiz AG
- Differential dual sensor contactless magnetic-mode electrical current sensors with tamper detection4 Sep 2025US 2025/0277829 A1Spindrift Innovations, LLC
Most cited
By later US patents
- Apparatus and method for recharging an energy storage device162US 4,383,210 A1983
- Meter terminal unit for use in automatic remote meter reading and control system155US 4,204,195 AGeneral Electric Company · 1980
- Multiple rate metering system62US 4,516,213 A1985
- Method in alarm system, including recording of energy consumption61US 4,990,893 A1991
- Programmable time registering AC electric energy meter having randomized load control56US 4,511,979 AWestinghouse Electric Corp. · 1985