Temperature estimation of step motor based on sensing voltage thereof
US-2021175838-A1 · Jun 10, 2021 · US
Controlling or determining the temperature of the rotor
Controlling or determining the temperature of the rotor · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P29/66 |
| Official title | Controlling or determining the temperature of the rotor |
| Display label | Controlling or determining the temperature of the rotor |
| Total patents | 106 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 6 |
| 2017 | 10 |
| 2018 | 7 |
| 2019 | 14 |
| 2020 | 12 |
| 2021 | 11 |
| 2022 | 12 |
| 2023 | 7 |
| 2024 | 11 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Speed-regulated external fans for the temperature-controlled throughput ventilation of turbogenerators, phase shifters, and rotating electrical machines for network stabilization
US-2021091636-A1 · Mar 25, 2021 · US
Method and device for the computer-assisted operation of an electric motor
US-10873286-B2 · Dec 22, 2020 · US
Ac rotary machine apparatus
US-2020395883-A1 · Dec 17, 2020 · US
Wiper device
US-2020350849-A1 · Nov 5, 2020 · US
Electric power steering apparatus
US-10807635-B2 · Oct 20, 2020 · US
Assessing wind turbine generator rotor temperature
US-10804829-B2 · Oct 13, 2020 · US
Control of a brushless motor
US-10756653-B2 · Aug 25, 2020 · US
Apparatus for controlling drive motor of vehicle and method using the same
US-10720875-B2 · Jul 21, 2020 · US
Wiper device
US-2020198586-A1 · Jun 25, 2020 · US
Motor vehicle
US-10658965-B2 · May 19, 2020 · US
Apparatus for controlling drive motor of vehicle and method using the same
US-2020112284-A1 · Apr 9, 2020 · US
Motor control method
US-2020036322-A1 · Jan 30, 2020 · US
Assessing wind turbine generator rotor temperature
US-2020036311-A1 · Jan 30, 2020 · US
Apparatus for controlling motor
US-10516363-B2 · Dec 24, 2019 · US
Electric power steering apparatus
US-2019375449-A1 · Dec 12, 2019 · US
Efficient data propagation in a computer network
US-2019319574-A1 · Oct 17, 2019 · US
Control device and method for brushless motor
US-10447182-B2 · Oct 15, 2019 · US
Electric motor arrangements for gas turbine engines
US-10428682-B2 · Oct 1, 2019 · US
Systems and methods for acquiring measurements of rotor temperature of electric machines
US-2019229672-A1 · Jul 25, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02P29/66?
- CPC H02P29/66 is the Cooperative Patent Classification code for “Controlling or determining the temperature of the rotor.”
- How many patents are filed under CPC H02P29/66 (Controlling or determining the temperature of the rotor)?
- Our database includes 106 publications tagged with this CPC code.
- Is patent activity under CPC H02P29/66 growing?
- Publication counts under this code: 11 in 2024 vs 5 in 2025 (latest complete years).