H02J 3/26
Arrangements for eliminating or reducing asymmetry in polyphase networks
H02J3/26 (Arrangements for eliminating or reducing asymmetry in polyphase networks) appears on 305 US grants and 344 published applications in this corpus.
Search patents in H02J- Granted patents
- 305
- Published applications
- 344
- Assignees
- 246
- Inventors
- 786
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 3 | 2 |
| 2008 | 1 | 0 |
| 2009 | 2 | 4 |
| 2010 | 2 | 3 |
| 2011 | 1 | 6 |
| 2012 | 3 | 17 |
| 2013 | 7 | 26 |
| 2014 | 14 | 23 |
| 2015 | 19 | 25 |
| 2016 | 15 | 23 |
| 2017 | 24 | 18 |
| 2018 | 22 | 14 |
| 2019 | 29 | 16 |
| 2020 | 12 | 20 |
| 2021 | 18 | 26 |
| 2022 | 21 | 23 |
| 2023 | 17 | 20 |
| 2024 | 18 | 25 |
| 2025 | 27 | 30 |
| 2026 | 11 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for unbalance adjustment for inverter split-phase controlling and distribution transformer current22 Sep 2026US 12,744,383 B2
- Power conversion device having multi-level structure1 Sep 2026US 12,726,101 B2LG Innotek Co., Ltd.
- Systems and methods for providing unbalanced current control in onboard vehicle battery chargers4 Aug 2026US 12,700,738 B2BorgWarner US Technologies LLC
- Method for identifying consumer phase connectivity in low-voltage distribution network based on voltage association characteristics19 May 2026US 12,631,672 B2Guangzhou Power Electrical Technology Co., Ltd.
- System for balancing and converting voltage output for photovoltaic modules12 May 2026US 12,627,155 B2Optivolt Labs, Inc.
- Processing system and processing method for distribution system control, and system comprising a distribution grid8 Oct 2026US 2026/0312412 A1Hitachi Energy Germany AG
- Method for balancing loads on a polyphase electrical network, balancing device and corresponding computer program17 Sep 2026US 2026/0280296 A1Sagemcom Energy & Telecom SAS
- System for balancing and converting voltage output for photovoltaic modules27 Aug 2026US 2026/0254253 A1Optivolt Labs, Inc.
- Multi-phase converter and method for phase load balancing13 Aug 2026US 2026/0238114 A1BRUSA HyPower AG
- Systems, devices, and methods for intraphase and interphase balancing in module-based cascaded energy systems30 Jul 2026US 2026/0217155 A1Tae Technologies, Inc.
Most cited
By later US patents
- Apparatus for and method of evenly distributing an electrical load across an n-phase power distribution network73US 6,018,203 ATarget Hi-Tech Electronics Ltd. · 2000
- System and method for coordinated control and utilization of local storage and generation, with a power grid63US 7,612,466 B2VPT Energy Systems · 2009
- Apparatus for and method of evenly distributing an electrical load across a three phase power distribution network53US 5,604,385 ATarget Hi-Tech Electronics Ltd. · 1997
- Load balanced polyphase power distributing system53US 6,628,009 B1The Root Group, Inc. · 2003
- Automatically switched power receptacle44US 5,281,859 AMolex Incorporated · 1994