G01R 11/40
For polyphase operation
Official title: for polyphase operation
G01R11/40 (For polyphase operation) appears on 8 US grants and 9 published applications in this corpus.
Search patents in G01R- Granted patents
- 8
- Published applications
- 9
- Assignees
- 9
- Inventors
- 22
- Latest grant
- 21 Mar 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 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 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 3 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Estimation, despite a fraud, of the power consumed on a phase21 Mar 2023US 11,609,251 B2Sagemcom Energy & Telecom SAS
- Electrical phase identification19 Feb 2019US 10,209,283 B2Itron, Inc.
- Congruent power and timing signals for device26 Dec 2017US 9,853,560 B2STMicroelectronics (China) Investment Co., Ltd.
- Power monitoring systems and methods21 Feb 2017US 9,575,101 B2GRID20/20, Inc.
- Electrical phase identification14 Feb 2017US 9,568,522 B2Itron, Inc.
- Method for diagnosing bearing fault on basis of motor three-phase current signal, and device for performing method18 Jul 2024US 2024/0241011 A1Onepredict Co., Ltd.
- Estimation, despite a fraud, of the power consumed on a phase29 Dec 2022US 2022/0413022 A1Sagemcom Energy & Telecom SAS
- Phase group estimation device, phase group estimation method, and recording medium5 Mar 2020US 2020/0072887 A1Mitsubishi Electric Corporation
- Electrical Phase Identification15 Jun 2017US 2017/0168098 A1Itron, Inc.
- Electrical Phase Identification21 Apr 2016US 2016/0109497 A1Itron, Inc.
Most cited
By later US patents
- Measuring circuit arrangement for electricity meters for direct connection25US 7,005,844 B2Landis+Gyr, Inc. · 2006
- Electrical phase identification18US 9,568,522 B2Itron, Inc. · 2017
- Electrical phase identification6US 10,209,283 B2Itron, Inc. · 2019
- Rotating disc multielement polyphase meter5US 4,083,000 ASangamo Weston, Inc. · 1978
- Estimation, despite a fraud, of the power consumed on a phase1US 11,609,251 B2Sagemcom Energy & Telecom SAS · 2023