Motor driving device including single inverter for single-phase motor and three-phase motor and appliance having the same
US-2020395873-A1 · Dec 17, 2020 · US
characterised by the kind of motor
characterised by the kind of motor · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P25/02 |
| Official title | characterised by the kind of motor |
| Display label | characterised by the kind of motor |
| Total patents | 131 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 8 |
| 2017 | 7 |
| 2018 | 15 |
| 2019 | 7 |
| 2020 | 20 |
| 2021 | 18 |
| 2022 | 15 |
| 2023 | 10 |
| 2024 | 11 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Differential Rotor Speed Resonance Avoidance System
US-2020354046-A1 · Nov 12, 2020 · US
Series hybrid architecture for an unmanned underwater vehicle propulsion system
US-2020318936-A1 · Oct 8, 2020 · US
Power supply system and method of controlling the power supply system
US-2020259440-A1 · Aug 13, 2020 · US
Double-Stator PM Machine With 3rd Order Current Harmonic Injection
US-2020228041-A1 · Jul 16, 2020 · US
Analog electronic timepiece, stepping motor control device, and analog electronic timepiece control method
US-2020225618-A1 · Jul 16, 2020 · US
Methods and systems for motor control
US-2020191818-A1 · Jun 18, 2020 · US
Apparatus and method for detecting bldc motor overload
US-2020169213-A1 · May 28, 2020 · US
Motor control device and motor control method
US-2020136543-A1 · Apr 30, 2020 · US
Symmetric control of an asymmetric ac motor via a flux regulator operating based on a targeted time constant versus sampling period ratio
US-2020127588-A1 · Apr 23, 2020 · US
Elegantly simple low-cost retrofit method and system for replacing a constant torque electronically commutated motor with a fix-speed permanent split capacitor motor
US-10605495-B1 · Mar 31, 2020 · US
System and method for rotor positioning within an electric motor
US-2020036312-A1 · Jan 30, 2020 · US
Apparatus for sensing rotor location and motor comprising apparatus
US-2019229600-A1 · Jul 25, 2019 · US
Motor control device
US-2019219070-A1 · Jul 18, 2019 · US
Drive system, automobile, and method of controlling drive system
US-10348234-B2 · Jul 9, 2019 · US
Stator-less electric motor for a magnetic resonance imaging system and methods thereof
US-10330754-B2 · Jun 25, 2019 · US
Rotary Electric Machine and Drive System Using Same
US-2019140530-A1 · May 9, 2019 · US
Dc to dc converter sourcing variable dc link voltage
US-2019074789-A1 · Mar 7, 2019 · US
Unmanned underwater vehicle propulsion system including an AC power distribution bus
US-10202178-B2 · Feb 12, 2019 · US
Unmanned underwater vehicle propulsion system including an ac power distribution bus
US-2018370607-A1 · Dec 27, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02P25/02?
- CPC H02P25/02 is the Cooperative Patent Classification code for “characterised by the kind of motor.”
- How many patents are filed under CPC H02P25/02 (characterised by the kind of motor)?
- Our database includes 131 publications tagged with this CPC code.
- Is patent activity under CPC H02P25/02 growing?
- Publication counts under this code: 11 in 2024 vs 8 in 2025 (latest complete years).