Surface Groove Patterns for Permanent Magnet Machine Rotors
US-2016365762-A1 · Dec 15, 2016 · US
Magnetic cores, or permanent magnets characterised by their skew
Magnetic cores, or permanent magnets characterised by their skew · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K2201/06 |
| Official title | Magnetic cores, or permanent magnets characterised by their skew |
| Display label | Magnetic cores, or permanent magnets characterised by their skew |
| Total patents | 580 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 33 |
| 2016 | 41 |
| 2017 | 24 |
| 2018 | 56 |
| 2019 | 71 |
| 2020 | 71 |
| 2021 | 58 |
| 2022 | 55 |
| 2023 | 62 |
| 2024 | 46 |
| 2025 | 51 |
| 2026 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electric motor and production method for the electric motor
US-9515527-B2 · Dec 6, 2016 · US
Rotor assembly and motor including the same
US-2016352163-A1 · Dec 1, 2016 · US
Single Phase Brushless Motor and Electric Apparatus Having the Same
US-2016344271-A1 · Nov 24, 2016 · US
Rotor
US-2016322873-A1 · Nov 3, 2016 · US
Rotor of rotating electric machine
US-2016308412-A1 · Oct 20, 2016 · US
Optimum rotor skew angle for an electric machine
US-2016308427-A1 · Oct 20, 2016 · US
Permanent magnet type motor
US-2016294235-A1 · Oct 6, 2016 · US
Rotary electric machine
US-2016285336-A1 · Sep 29, 2016 · US
Electrical machine and hoisting machine
US-2016276881-A1 · Sep 22, 2016 · US
Axially asymmetric configuration for interior permanent magnet machine
US-2016276885-A1 · Sep 22, 2016 · US
Transverse flux machine
US-2016276880-A1 · Sep 22, 2016 · US
Embedded permanent magnet rotary electric machine
US-2016261158-A1 · Sep 8, 2016 · US
Brushless wiper motor
US-2016241108-A1 · Aug 18, 2016 · US
Electric motor rotor and electric motor associated
US-2016241095-A1 · Aug 18, 2016 · US
Motor Having Non-Circular Stator
US-2016226321-A1 · Aug 4, 2016 · US
Permanent magnet embedded electric motor, compressor, and refrigerating and air-conditioning device
US-2016211709-A1 · Jul 21, 2016 · US
Electric motor having structure for reducing cogging torque
US-9397526-B2 · Jul 19, 2016 · US
Rotor for a reluctance motor, in particular a synchronous reluctance motor, method for producing such a rotor, and reluctance motor comprising such a rotor
US-2016141923-A1 · May 19, 2016 · US
Rotating electric machine
US-9343933-B2 · May 17, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02K2201/06?
- CPC H02K2201/06 is the Cooperative Patent Classification code for “Magnetic cores, or permanent magnets characterised by their skew.”
- How many patents are filed under CPC H02K2201/06 (Magnetic cores, or permanent magnets characterised by their skew)?
- Our database includes 580 publications tagged with this CPC code.
- Is patent activity under CPC H02K2201/06 growing?
- Publication counts under this code: 46 in 2024 vs 51 in 2025 (latest complete years).