Magnetic Field Control Device and Magnetic Field Control Method of Synchronous Machine
US-2022085608-A1 · Mar 17, 2022 · US
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the reactive elements being purely inductive, e.g. superconductive magnetic energy storage [SMES] systems
the reactive elements being purely inductive, e.g. superconductive magnetic energy storage [SMES] systems · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02J3/185 |
| Official title | the reactive elements being purely inductive, e.g. superconductive magnetic energy storage [SMES] systems |
| Display label | the reactive elements being purely inductive, e.g. superconductive magnetic energy storage [SMES] systems |
| Total patents | 8 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hybrid active harmonic filter for high current drives
US-2021257957-A1 · Aug 19, 2021 · US
Residential static VAR compensator apparatus and method
US-10811879-B2 · Oct 20, 2020 · US
Residential static var compensator apparatus and method
US-2019129459-A1 · May 2, 2019 · US
Direct current converter
US-10186968-B2 · Jan 22, 2019 · US
Direct current converter
US-2018091053-A1 · Mar 29, 2018 · US
Superconducting magnetic energy storage
US-2016365182-A1 · Dec 15, 2016 · US
Assembly for compensating reactive power and active power in a high-voltage network
US-2016211667-A1 · Jul 21, 2016 · US