H02J 9/063
Common neutral
Official title: {Common neutral, e.g. AC input neutral line connected to AC output neutral line and DC middle point}
H02J9/063 (Common neutral) appears on 88 US grants and 91 published applications in this corpus.
Search patents in H02J- Granted patents
- 88
- Published applications
- 91
- Assignees
- 47
- Inventors
- 160
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 1 | 1 |
| 2010 | 3 | 5 |
| 2011 | 1 | 4 |
| 2012 | 3 | 2 |
| 2013 | 2 | 5 |
| 2014 | 2 | 8 |
| 2015 | 6 | 5 |
| 2016 | 7 | 2 |
| 2017 | 8 | 8 |
| 2018 | 3 | 4 |
| 2019 | 8 | 7 |
| 2020 | 8 | 6 |
| 2021 | 6 | 9 |
| 2022 | 11 | 5 |
| 2023 | 3 | 6 |
| 2024 | 6 | 3 |
| 2025 | 5 | 5 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Control method for uninterruptible power supply system, controller, and uninterruptible power supply system25 Aug 2026US 12,719,303 B2Huawei Digital Power Technologies Co., Ltd.
- Harmonic reduce system and uninterruptible power supply including same10 Feb 2026US 12,549,008 B2Santak Electronic (Shenzhen) Co., Ltd.
- Coupled-inductor-based power-device circuit topology2 Sep 2025US 12,407,180 B2Schneider Electric It Corporation
- Multi-input power converter and online uninterruptible power supply including multi-input power converter29 Jul 2025US 12,375,009 B2Santak Electronic (Shenzhen) Co., Ltd.
- Power device terminal backup switch unit13 May 2025US 12,301,051 B2Solaredge Technologies Ltd.
- Fault Detection Method, System, Electronic Device And Medium11 Jun 2026US 2026/0163370 A1Vertiv Tech Co., Ltd.
- Power supply circuit and energy storage device26 Mar 2026US 2026/0088645 A1Ecoflow Inc.
- Power supply device, system, and method4 Dec 2025US 2025/0373070 A1Delta Electronics, Inc.
- Uninterruptible Power Supply, Method And Apparatus For Soft Starting The Uninterruptible Power Supply, And Controller23 Oct 2025US 2025/0330039 A1Vertiv Tech Co., Ltd.
- Method, Apparatus And Controller For Fault Detection Of Uninterruptible Power Supply17 Jul 2025US 2025/0233449 A1Vertiv Tech Co., Ltd.
Most cited
By later US patents
- Electrical system for mobile power generation device and mobile power generation device124US 11,251,650 B1Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. · 2022
- Uninterruptible power supplies with dual-sourcing capability and methods of operation thereof116US 6,160,722 APowerware Corporation · 2000
- Multi-mode power converters incorporating balancer circuits and methods of operation thereof73US 6,314,007 B2Powerware Corporation · 2001
- Method and apparatus for providing uninterruptible power25US 7,402,921 B2American Power Conversion Corporation · 2008
- Method and apparatus for providing uninterruptible power25US 7,705,489 B2American Power Conversion Corporation · 2010