Electric propulsion system
US-11581782-B2 · Feb 14, 2023 · US
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with rotors axially facing the stators
with rotors axially facing the stators · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K37/08 |
| Official title | with rotors axially facing the stators |
| Display label | with rotors axially facing the stators |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hybrid stepper motor utilizing axial coils for adjusting the magnetic field of the rotor
US-11456653-B2 · Sep 27, 2022 · US
Hybrid rotor for an axial flux electrical machine
US-11374447-B2 · Jun 28, 2022 · US
Dual rotor electric machine
US-2022003128-A1 · Jan 6, 2022 · US
Stack-type stator using multi-layer substrate, slim motor using same, and blower for air purification system
US-11081914-B2 · Aug 3, 2021 · US
Hybrid stepper motor utilizing axial coils for adjusting the magnetic field of the rotor
US-2020313533-A1 · Oct 1, 2020 · US
Hybrid rotor for an axial flux electrical machine
US-2020235618-A1 · Jul 23, 2020 · US
Electric propulsion system
US-2020195089-A1 · Jun 18, 2020 · US
Stack-type stator using multi-layer substrate, slim motor using same, and blower for air purification system
US-2019334393-A1 · Oct 31, 2019 · US
Stator of planar type motor, and planar type motor using same
US-10340753-B2 · Jul 2, 2019 · US
Stator assembly including stator elements with slotted stator cores for use in an electrical motor
US-10177641-B2 · Jan 8, 2019 · US
Phantom electric motor system with parallel coils
US-10128789-B2 · Nov 13, 2018 · US
Stator assembly including stator elements with slotted stator cores for use in an electrical motor
US-2018034355-A1 · Feb 1, 2018 · US
Stator of planar type motor, and planar type motor using same
US-2017250580-A1 · Aug 31, 2017 · US
Vibrating generating device
US-9700917-B2 · Jul 11, 2017 · US
Axial flux machine
US-9450462-B2 · Sep 20, 2016 · US
Phantom Electric Motor System with Parallel Coils
US-2016105139-A1 · Apr 14, 2016 · US
Vibrating generating device
US-2016074907-A1 · Mar 17, 2016 · US
Stator for an electrical machine
US-9263919-B2 · Feb 16, 2016 · US
Anode rotational drive device and X-ray imaging apparatus
US-9107280-B2 · Aug 11, 2015 · US