H02J 3/1814
Having reactive elements actively controlled by bridge converters
Official title: having reactive elements actively controlled by bridge converters, e.g. unified power flow controllers [UPFC] or controlled series voltage compensators
H02J3/1814 (Having reactive elements actively controlled by bridge converters) appears on 170 US grants and 132 published applications in this corpus.
Search patents in H02J- Granted patents
- 170
- Published applications
- 132
- Assignees
- 93
- Inventors
- 392
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 9 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 9 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 1 |
| 2003 | 5 | 3 |
| 2004 | 1 | 4 |
| 2005 | 2 | 5 |
| 2006 | 4 | 4 |
| 2007 | 3 | 2 |
| 2008 | 3 | 9 |
| 2009 | 0 | 3 |
| 2010 | 7 | 2 |
| 2011 | 5 | 4 |
| 2012 | 2 | 1 |
| 2013 | 2 | 7 |
| 2014 | 2 | 6 |
| 2015 | 4 | 8 |
| 2016 | 9 | 0 |
| 2017 | 2 | 9 |
| 2018 | 9 | 10 |
| 2019 | 11 | 7 |
| 2020 | 5 | 11 |
| 2021 | 14 | 17 |
| 2022 | 11 | 7 |
| 2023 | 9 | 6 |
| 2024 | 4 | 2 |
| 2025 | 6 | 0 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dynamic computation and heirarchical control of assets of a power grid using shunt and series connected FACTS devices21 Apr 2026US 12,609,530 B2Smart Wires Inc.
- Power supply module responsive to high and low line currents11 Nov 2025US 12,470,127 B1Smart Wires Inc.
- Controllable grid interface for microgrids8 Jul 2025US 12,355,256 B2
- Power conversion system8 Jul 2025US 12,355,379 B2Daikin Industries, Ltd.
- Power flow control module for use in a low-voltage local network24 Jun 2025US 12,341,340 B2Maschinenfabrik Reinhausen GmbH
- Slcc commutation system for novel electric power system, method for controlling slcc commutation system, storage medium, and program product30 Jul 2026US 2026/0221772 A1
- Retrofittable fractionally-rated active grid dampening system and method for high distributed energy resources penetration grid23 Jul 2026US 2026/0213535 A1Georgia Tech Research Corporation
- Interline power flow controller23 Jul 2026US 2026/0213537 A1Hitachi Energy Ltd
- Dynamic power flow controller (dpfc) for regulating power flow in a power transmission line25 Jun 2026US 2026/0178063 A1
- Power flow control module for use in a low-voltage local network4 Jul 2024US 2024/0222975 A1Maschinenfabrik Reinhausen GmbH
Most cited
By later US patents
- Apparatus and method for dynamic voltage restoration of utility distribution networks274US 5,329,222 AWestinghouse Electric Corp. · 1994
- Transmission line dynamic impedance compensation system176US 5,198,746 AWestinghouse Electric Corp. · 1993
- Power line conditioner using cascade multilevel inverters for voltage regulation, reactive power correction, and harmonic filtering154US 6,075,350 ALockheed Martin Energy Research Corporation · 2000
- Dynamic voltage sag correction117US 6,118,676 ASoft Switching Technologies Corporation · 2000
- Generalized fast, power flow controller106US 5,343,139 AWestinghouse Electric Corp. · 1994