H02J 3/36
Arrangements for transfer of electric power between ac networks via high-voltage dc
Official title: Arrangements for transfer of electric power between AC networks via high-voltage DC [HVDC] links; Arrangements for transfer of electric power between generators and networks via HVDC links
H02J3/36 (Arrangements for transfer of electric power between ac networks via high-voltage dc) appears on 815 US grants and 893 published applications in this corpus.
Search patents in H02J- Granted patents
- 815
- Published applications
- 893
- Assignees
- 318
- Inventors
- 1,877
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 11 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 13 | 0 |
| 1998 | 7 | 0 |
| 1999 | 10 | 0 |
| 2000 | 6 | 0 |
| 2001 | 1 | 1 |
| 2002 | 5 | 3 |
| 2003 | 2 | 2 |
| 2004 | 2 | 4 |
| 2005 | 2 | 2 |
| 2006 | 2 | 5 |
| 2007 | 1 | 3 |
| 2008 | 1 | 8 |
| 2009 | 4 | 19 |
| 2010 | 6 | 19 |
| 2011 | 11 | 22 |
| 2012 | 21 | 32 |
| 2013 | 19 | 51 |
| 2014 | 32 | 40 |
| 2015 | 38 | 70 |
| 2016 | 55 | 65 |
| 2017 | 54 | 55 |
| 2018 | 63 | 52 |
| 2019 | 69 | 57 |
| 2020 | 43 | 65 |
| 2021 | 40 | 49 |
| 2022 | 49 | 55 |
| 2023 | 37 | 50 |
| 2024 | 59 | 55 |
| 2025 | 37 | 49 |
| 2026 | 45 | 60 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Control method for a grid following voltage source converter without phase locked loop29 Sep 2026US 12,749,898 B2TransGrid Solutions Inc.
- System for stabilising a dc link22 Sep 2026US 12,744,389 B2Thermo King Corporation
- Power fusion system for supply and demand disparities15 Sep 2026US 12,738,743 B2Franklinwh Energy Technology Inc.
- Relating to the control of power converters during fault conditions in power transmission networks15 Sep 2026US 12,738,744 B2GE Vernova Infrastructure Technology LLC
- Method and controller for controlling a power transmission network8 Sep 2026US 12,731,998 B2GE Vernova Infrastructure Technology LLC
- Improvements in or relating to bipole power transmission networks1 Oct 2026US 2026/0302775 A1GE Vernova Infrastructure Technology LLC
- Wide area site power and nested energy transmission (wasp net)1 Oct 2026US 2026/0302790 A1Joule Case Inc.
- Virtual synchronous control method and apparatus, device, and storage medium for energy storage system24 Sep 2026US 2026/0291240 A1Contemporary Amperex Future Energy Institute (Shanghai) Limited
- Coordinated control method for mutiple high-voltage direct current (hvdc) links after fault based on extended equal area criterion17 Sep 2026US 2026/0280284 A1Hunan University
- Relating to the control of bipole power transmission networks10 Sep 2026US 2026/0269622 A1GE Vernova Infrastructure Technology LLC
Most cited
By later US patents
- Collection of electric power from renewable energy sources via high voltage, direct current systems with conversion and supply to an alternating current transmission network196US 8,212,408 B2Alencon Acquisition Co., LLC. · 2012
- Modular stacked subsea power system architectures86US 8,692,408 B2General Electric Company · 2014
- Active power conditioner system82US 4,651,265 AWestinghouse Electric Corp. · 1987
- Gas turbine electrical power generation scheme utilizing remotely located fuel sites58US 5,550,410 A1996
- Power source system55US 4,308,575 ATokyo Shibaura Denki Kabushiki Kaisha · 1981