Temperature estimation in power semiconductor device in electric drvie system
US-2016377488-A1 · Dec 29, 2016 · US
Electricity
Electricity · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P29/02 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 522 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 54 |
| 2016 | 51 |
| 2017 | 59 |
| 2018 | 49 |
| 2019 | 45 |
| 2020 | 45 |
| 2021 | 58 |
| 2022 | 44 |
| 2023 | 46 |
| 2024 | 34 |
| 2025 | 31 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and apparatus for controlling an electric machine
US-9496810-B2 · Nov 15, 2016 · US
Method and system for alternator thermal protection
US-9490682-B2 · Nov 8, 2016 · US
Motor drive device
US-9438148-B2 · Sep 6, 2016 · US
Method and device for monitoring a torque of an electric motor
US-9369079-B2 · Jun 14, 2016 · US
Motor drive device
US-2016072416-A1 · Mar 10, 2016 · US
Motor Drive Circuit
US-2015381102-A1 · Dec 31, 2015 · US
Method and apparatus for monitoring motor current for an electric valve positioner
US-9219442-B2 · Dec 22, 2015 · US
Motor control device having protective unit of charging resistor
US-2015365019-A1 · Dec 17, 2015 · US
System for operation control of inverter in emergency situation
US-2015364985-A1 · Dec 17, 2015 · US
Reverse rotation detection and overspeed protection for power tool with brushless motor
US-9209724-B2 · Dec 8, 2015 · US
Power Tool
US-2015349695-A1 · Dec 3, 2015 · US
System and method for monitoring the torque of a motor vehicle engine
US-9199552-B2 · Dec 1, 2015 · US
Hvac actuator with soft stall control
US-2015333669-A1 · Nov 19, 2015 · US
Methods and systems to improve dc motor cooling fan efficiency with pulse width modulation frequency variation
US-2015333675-A1 · Nov 19, 2015 · US
Method and system for motor failure detection
US-2015323605-A1 · Nov 12, 2015 · US
Power supply apparatus
US-9184669-B2 · Nov 10, 2015 · US
Protection circuits for motors
US-9166505-B1 · Oct 20, 2015 · US
Motor Controller and Method for the Field-Oriented Control of an Electric Motor
US-2015295527-A1 · Oct 15, 2015 · US
Electric compressor
US-2015295532-A1 · Oct 15, 2015 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02P29/02?
- CPC H02P29/02 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H02P29/02 (Electricity)?
- Our database includes 522 publications tagged with this CPC code.
- Is patent activity under CPC H02P29/02 growing?
- Publication counts under this code: 34 in 2024 vs 31 in 2025 (latest complete years).