H02J 3/1857
The bridge converters being multilevel bridge converters or modular multilevel converters
Official title: the bridge converters being multilevel bridge converters or modular multilevel converters
H02J3/1857 (The bridge converters being multilevel bridge converters or modular multilevel converters) appears on 115 US grants and 105 published applications in this corpus.
Search patents in H02J- Granted patents
- 115
- Published applications
- 105
- Assignees
- 61
- Inventors
- 238
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 2 |
| 2008 | 3 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 4 |
| 2012 | 1 | 9 |
| 2013 | 6 | 7 |
| 2014 | 10 | 9 |
| 2015 | 5 | 3 |
| 2016 | 11 | 9 |
| 2017 | 5 | 6 |
| 2018 | 13 | 14 |
| 2019 | 9 | 4 |
| 2020 | 8 | 9 |
| 2021 | 10 | 5 |
| 2022 | 7 | 4 |
| 2023 | 2 | 5 |
| 2024 | 1 | 4 |
| 2025 | 5 | 4 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Converter, method of installing a power system, and use of a converter4 Aug 2026US 12,700,734 B2Hitachi Energy Ltd
- Power supply system for arc furnace and associated arc furnace and method28 Jul 2026US 12,695,305 B2GE Energy Power Conversion Technology Limited
- Assembly having a multilevel converter14 Jul 2026US 12,683,518 B2Siemens Energy Global GmbH & Co. KG
- Multi-level converter-type STATCOM system and operation method12 May 2026US 12,627,148 B2Ls Electric Co., Ltd.
- Method to operate a system comprising an energy storage system in response to a bypass request based on a total number of modules to be bypassed16 Dec 2025US 12,500,420 B2Hitachi Energy Ltd
- Power Conversion Device20 Aug 2026US 2026/0246361 A1Mitsubishi Electric Corporation
- Power Conversion Apparatus20 Aug 2026US 2026/0246362 A1Mitsubishi Electric Corporation
- Electrical assembly comprising a voltage source converter and an energy storage system18 Dec 2025US 2025/0385781 A1GE Infrastructure Technology LLC
- Multi-level medium voltage data center static synchronous compensator (dcstatcom) for active and reactive power control of data centers connected with grid energy storage and smart green distributed energy sources6 Nov 2025US 2025/0343419 A1Inertech IP LLC
- Method to operate a system comprising an energy storage system4 Sep 2025US 2025/0279651 A1Hitachi Energy Ltd
Most cited
By later US patents
- Multilevel cascade voltage source inverter with seperate DC sources182US 5,642,275 ALockheed Martin Energy System, Inc. · 1997
- 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
- Multilevel converter with capacitor voltage balancing46US 5,532,575 AGEC Alsthom SA · 1996
- Modular voltage source converter42US 8,503,202 B2ABB Technology AG · 2013
- Method and circuit for cascaded pulse width modulation40US 7,230,837 B1Electrical Power Research Institute, Inc. · 2007