Magnetic coupling between power tool motor shaft and fan wheel
US-12510086-B2 · Dec 30, 2025 · US
of the synchronous type {(H02K49/10 takes precedence)}
of the synchronous type {(H02K49/10 takes precedence)} · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K49/06 |
| Official title | of the synchronous type {(H02K49/10 takes precedence)} |
| Display label | of the synchronous type {(H02K49/10 takes precedence)} |
| Total patents | 37 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 8 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Windmill brake for an auxiliary power unit
US-2025158502-A1 · May 15, 2025 · US
Power tool having a motor shaft and a fan wheel, wherein there is a magnetic coupling between the motor shaft and the fan wheel
US-2024159239-A1 · May 16, 2024 · US
Magnetic gear
US-11705769-B2 · Jul 18, 2023 · US
Steering system having a reluctance brake
US-11479290-B2 · Oct 25, 2022 · US
Magnetic gear
US-2022181936-A1 · Jun 9, 2022 · US
Coaxial double-rotor variable-speed electromagnetic drive
US-11271467-B2 · Mar 8, 2022 · US
Coaxial double-rotor variable-speed electromagnetic drive
US-2021359587-A1 · Nov 18, 2021 · US
Rotatable electromagnetic clutch utilizing inductive coupling
US-11015661-B2 · May 25, 2021 · US
Steering system having a reluctance brake
US-2021061345-A1 · Mar 4, 2021 · US
Driver-driven connection having multiple electro-magnetically formed joints
US-2021044196-A1 · Feb 11, 2021 · US
Systems and methods for constructing permanent magnet motors having increased power density
US-10680476-B2 · Jun 9, 2020 · US
Actuator with rotating electromagnetic clutch utilizing inductive coupling
US-2019334427-A1 · Oct 31, 2019 · US
Rotatable electromagnetic clutch utilizing inductive coupling
US-2019331174-A1 · Oct 31, 2019 · US
Systems and Methods for Constructing Permanent Magnet Motors Having Increased Power Density
US-2019229569-A1 · Jul 25, 2019 · US
Input device
US-10352379-B2 · Jul 16, 2019 · US
Electrical machine
US-2018278102-A1 · Sep 27, 2018 · US
Electromechanical spring clutch with integrated speed detection
US-10066538-B2 · Sep 4, 2018 · US
Magnetic wave gear device
US-10014738-B2 · Jul 3, 2018 · US
Input device
US-2018080511-A1 · Mar 22, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02K49/06?
- CPC H02K49/06 is the Cooperative Patent Classification code for “of the synchronous type {(H02K49/10 takes precedence)}.”
- How many patents are filed under CPC H02K49/06 (of the synchronous type {(H02K49/10 takes precedence)})?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC H02K49/06 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).