H02J 1/002
Circuit arrangements for dc mains or dc distribution networks: using intermediate dc-ac-dc
Official title: using intermediate DC-AC-DC conversion
H02J1/002 (Circuit arrangements for dc mains or dc distribution networks: using intermediate dc-ac-dc) appears on 111 US grants and 120 published applications in this corpus.
Search patents in H02J- Granted patents
- 111
- Published applications
- 120
- Assignees
- 90
- Inventors
- 263
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 5 |
| 2003 | 3 | 2 |
| 2004 | 5 | 2 |
| 2005 | 1 | 2 |
| 2006 | 2 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 2 | 1 |
| 2013 | 1 | 2 |
| 2014 | 0 | 4 |
| 2015 | 1 | 12 |
| 2016 | 20 | 3 |
| 2017 | 8 | 7 |
| 2018 | 12 | 11 |
| 2019 | 8 | 6 |
| 2020 | 3 | 9 |
| 2021 | 6 | 11 |
| 2022 | 8 | 7 |
| 2023 | 6 | 10 |
| 2024 | 6 | 6 |
| 2025 | 11 | 3 |
| 2026 | 2 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Power management with an energy storage system27 Aug 2026US 2026/0254236 A1Nabors Drilling Technologies USA, Inc.
- Apparatus for power conversion and method for operating the apparatus13 Aug 2026US 2026/0238001 A1Hitachi Energy Ltd
- Apparatus and system for power conversion and method for operating the apparatus13 Aug 2026US 2026/0238115 A1Hitachi Energy Ltd
- Voltage compensation system and uninterruptible power supply16 Jul 2026US 2026/0204942 A1Delta Electronics, Inc.
Most cited
By later US patents
- Method for power conversion using combining transformer108US 6,686,727 B2Advanced Energy Industries, Inc. · 2004
- Method and apparatus for control of inductively coupled power transfer systems106US 8,093,758 B2Auckland Uniservices Limited · 2012
- Low voltage, high current dc computer power system88US 6,696,823 B2Advanced Energy Industries, Inc. · 2004
- Multiple power converter system using combining transformers84US 6,545,450 B1Advanced Energy Industries, Inc. · 2003
- Energy transfer and storage apparatus for delivery of pulsed power77US 9,373,963 B2Raytheon Company · 2016