Power conversion device
US-12341447-B2 · Jun 24, 2025 · US
Controlling or determining the motor temperature by back electromotive force [back-EMF] evaluation
Controlling or determining the motor temperature by back electromotive force [back-EMF] evaluation · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P29/67 |
| Official title | {Controlling or determining the motor temperature by back electromotive force [back-EMF] evaluation} |
| Display label | Controlling or determining the motor temperature by back electromotive force [back-EMF] evaluation |
| Total patents | 36 |
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 | 4 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 6 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and system for active detection of rotor magnet temperature
US-12107527-B2 · Oct 1, 2024 · US
Method and System for Active Detection of Rotor Magnet Temperature
US-2023421090-A1 · Dec 28, 2023 · US
Power Conversion Device
US-2023299700-A1 · Sep 21, 2023 · US
Short-circuit fault-tolerant control method based on deadbeat current tracking for five-phase permanent magnet motor with sinusoidal back-electromotive force or trapezoidal back-electromotive force
US-11611307-B2 · Mar 21, 2023 · US
Magnet temperature estimating device for motor and hybrid vehicle provided with the same
US-11581842-B2 · Feb 14, 2023 · US
Motor driver controller analysis device
US-11575342-B2 · Feb 7, 2023 · US
Magnet temperature estimating device for motor and hybrid vehicle provided with the same
US-11543302-B2 · Jan 3, 2023 · US
Short-circuit fault-tolerant control method based on deadbeat current tracking for five-phase permanent magnet motor with sinusoidal back-electromotive force or trapezoidal back-electromotive force
US-2022368269-A1 · Nov 17, 2022 · US
Inductance-based estimation of rotor magnet temperature
US-11387757-B2 · Jul 12, 2022 · US
Motor driver controller analysis device
US-2022094298-A1 · Mar 24, 2022 · US
Method for operating a power converter, power converter for a permanently excited electric machine, vehicle and computer program product
US-11258396-B2 · Feb 22, 2022 · US
Magnet temperature estimating device for motor and hybrid vehicle provided with the same
US-2021234495-A1 · Jul 29, 2021 · US
Magnet temperature estimating device for motor and hybrid vehicle provided with the same
US-2021234496-A1 · Jul 29, 2021 · US
Method for operating a power converter, power converter for a permanently excited electric machine, vehicle and computer program product
US-2021119567-A1 · Apr 22, 2021 · US
DC electric motor with asymmetrical stator inductors
US-10972027-B2 · Apr 6, 2021 · US
Inductance-based estimation of rotor magnet temperature
US-2021067075-A1 · Mar 4, 2021 · US
Method for motor and inverter temperature control
US-2020228049-A1 · Jul 16, 2020 · US
Method for motor and inverter temperature control
US-10700632-B1 · Jun 30, 2020 · US
Dc electric motor with asymmetrical stator inductors
US-2020186064-A1 · Jun 11, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02P29/67?
- CPC H02P29/67 is the Cooperative Patent Classification code for “Controlling or determining the motor temperature by back electromotive force [back-EMF] evaluation.”
- How many patents are filed under CPC H02P29/67 (Controlling or determining the motor temperature by back electromotive force [back-EMF] evaluation)?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC H02P29/67 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).