Axial flux switched reluctance motor and generator, and related systems and methods
US-12149134-B2 · Nov 19, 2024 · US
Motors having windings on the stator and a variable reluctance soft-iron rotor without windings
Motors having windings on the stator and a variable reluctance soft-iron rotor without windings · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K19/103 |
| Official title | {Motors having windings on the stator and a variable reluctance soft-iron rotor without windings} |
| Display label | Motors having windings on the stator and a variable reluctance soft-iron rotor without windings |
| Total patents | 347 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 25 |
| 2016 | 32 |
| 2017 | 36 |
| 2018 | 35 |
| 2019 | 55 |
| 2020 | 57 |
| 2021 | 29 |
| 2022 | 25 |
| 2023 | 18 |
| 2024 | 21 |
| 2025 | 13 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Switched reluctance motor
US-2017324311-A1 · Nov 9, 2017 · US
Rotary machine and method for manufacturing rotary machine
US-2017222507-A1 · Aug 3, 2017 · US
Reluctance motor
US-9520719-B2 · Dec 13, 2016 · US
Rotating electric machine
US-2016352203-A1 · Dec 1, 2016 · US
Synchronous reluctance rotating electrical machine
US-2016352202-A1 · Dec 1, 2016 · US
Switch reluctance motor
US-2016336841-A1 · Nov 17, 2016 · US
Synchronous reluctance motor
US-2016329787-A1 · Nov 10, 2016 · US
Control circuit and method for controlling a multiphase motor
US-9490730-B2 · Nov 8, 2016 · US
Rotating Electric Machine
US-2016322888-A1 · Nov 3, 2016 · US
Method for designing a rotor structure of a synchronous reluctance electric machine, and corresponding synchronous reluctance electric machine
US-2016308408-A1 · Oct 20, 2016 · US
Axial Gap Type Rotating Machine
US-2016308411-A1 · Oct 20, 2016 · US
System and method for supporting laminations of synchronous reluctance motors
US-2016294236-A1 · Oct 6, 2016 · US
Switched reluctance motor and stator thereof
US-9413213-B2 · Aug 9, 2016 · US
Administrable power network having a data transmission function
US-9385534-B2 · Jul 5, 2016 · US
Rotating electrical machine apparatus
US-2016185431-A1 · Jun 30, 2016 · US
Electrical machines
US-2016177770-A1 · Jun 23, 2016 · US
Separately excited electric machine with at least one primary magnetic circuit and at least two secondary magnetic circuits
US-2016181899-A1 · Jun 23, 2016 · US
Integrated motor and fluid pump
US-2016169231-A1 · Jun 16, 2016 · US
A high speed switch reluctance motor on a turbocharger
US-2016153459-A1 · Jun 2, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02K19/103?
- CPC H02K19/103 is the Cooperative Patent Classification code for “Motors having windings on the stator and a variable reluctance soft-iron rotor without windings.”
- How many patents are filed under CPC H02K19/103 (Motors having windings on the stator and a variable reluctance soft-iron rotor without windings)?
- Our database includes 347 publications tagged with this CPC code.
- Is patent activity under CPC H02K19/103 growing?
- Publication counts under this code: 21 in 2024 vs 13 in 2025 (latest complete years).