Electric vehicle dual use inverter
US-12583344-B1 · Mar 24, 2026 · US
using AC supply for both the rotor and the stator circuits, the frequency of supply to at least one circuit being variable
using AC supply for both the rotor and the stator circuits, the frequency of supply to at least one circuit being variable · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P27/05 |
| Official title | using AC supply for both the rotor and the stator circuits, the frequency of supply to at least one circuit being variable |
| Display label | using AC supply for both the rotor and the stator circuits, the frequency of supply to at least one circuit being variable |
| Total patents | 35 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 6 |
| 2019 | 7 |
| 2020 | 1 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electric drive system with static pulsed power transfer
US-12483170-B2 · Nov 25, 2025 · US
Motor control system
US-12456942-B2 · Oct 28, 2025 · US
Electric drive system with static pulsed power transfer
US-2025266778-A1 · Aug 21, 2025 · US
Electrical switching device, electrical drive layout and motor vehicle
US-12342510-B2 · Jun 24, 2025 · US
Method and device for operating an inverter
US-2024421742-A1 · Dec 19, 2024 · US
Externally excited electric machine with a natural boost voltage
US-2024364250-A1 · Oct 31, 2024 · US
Device for the de-excitation of at least one rotor winding of a synchronous motor, synchronous motor, method for operating a synchronous motor, motor vehicle
US-2024297604-A1 · Sep 5, 2024 · US
Motor control system
US-2024250632-A1 · Jul 25, 2024 · US
Rotor-To-Stator Reduction Factor Evaluation for Externally-Excited Synchronous Machines
US-2024243680-A1 · Jul 18, 2024 · US
Method and system for operating a variable frequency independent speed motor in an extended speed range
US-11848634-B2 · Dec 19, 2023 · US
Electrical switching device, electrical drive layout and motor vehicle
US-2023262945-A1 · Aug 17, 2023 · US
Method and system for operating a variable frequency independent speed motor in an extended speed range
US-2022294373-A1 · Sep 15, 2022 · US
Methods and systems for detecting a rotor position and rotor speed of an alternating current electrical machine
US-11394327-B2 · Jul 19, 2022 · US
Methods and systems for detecting a rotor position and rotor speed of an alternating current electrical machine
US-2021336572-A1 · Oct 28, 2021 · US
Control apparatus for the rotary electrical machine
US-10958202-B2 · Mar 23, 2021 · US
Kinetic energy recovery system with flywheel
US-10903773-B1 · Jan 26, 2021 · US
Kinetic energy recovery system with flywheel
US-2021021225-A1 · Jan 21, 2021 · US
Motor drive assembly
US-10591937-B2 · Mar 17, 2020 · US
Motor driving device, air conditioning device including same, and control method for motor driving device
US-10523147-B2 · Dec 31, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02P27/05?
- CPC H02P27/05 is the Cooperative Patent Classification code for “using AC supply for both the rotor and the stator circuits, the frequency of supply to at least one circuit being variable.”
- How many patents are filed under CPC H02P27/05 (using AC supply for both the rotor and the stator circuits, the frequency of supply to at least one circuit being variable)?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC H02P27/05 growing?
- Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).