Synchronous reluctance motor with magnetic flux barriers
US-12587049-B2 · Mar 24, 2026 · US
Motors having windings on the stator and a variable-reluctance soft-iron rotor without windings, e.g. inductor motors · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K19/06 |
| Official title | Motors having windings on the stator and a variable-reluctance soft-iron rotor without windings, e.g. inductor motors |
| Display label | Motors having windings on the stator and a variable-reluctance soft-iron rotor without windings, e.g. inductor motors |
| Total patents | 51 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 6 |
| 2018 | 4 |
| 2019 | 9 |
| 2020 | 12 |
| 2021 | 7 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 3 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12587049-B2 · Mar 24, 2026 · US
US-2024396389-A1 · Nov 28, 2024 · US
US-2024297559-A1 · Sep 5, 2024 · US
US-11879466-B2 · Jan 23, 2024 · US
US-2023116266-A1 · Apr 13, 2023 · US
US-2022341428-A1 · Oct 27, 2022 · US
US-2022045590-A1 · Feb 10, 2022 · US
US-11205940-B2 · Dec 21, 2021 · US
US-2021376676-A1 · Dec 2, 2021 · US
US-11177719-B2 · Nov 16, 2021 · US
US-11128204-B2 · Sep 21, 2021 · US
US-11114925-B2 · Sep 7, 2021 · US
US-11088603-B2 · Aug 10, 2021 · US
US-10916979-B2 · Feb 9, 2021 · US
US-10840769-B2 · Nov 17, 2020 · US
US-2020321834-A1 · Oct 8, 2020 · US
US-2020313528-A1 · Oct 1, 2020 · US
US-2020224584-A1 · Jul 16, 2020 · US
US-2020227957-A1 · Jul 16, 2020 · US
US-2020153318-A1 · May 14, 2020 · US
Answers are generated from the same data shown on this page.