Supercapacitor-Based Automatic Energy-Saving System of Direct-Current High-Voltage Beam Pumping Unit
US-2024405679-A1 · Dec 5, 2024 · US
wherein the PWM mode is adapted on the running conditions of the motor, e.g. the switching frequency
wherein the PWM mode is adapted on the running conditions of the motor, e.g. the switching frequency · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P27/085 |
| Official title | {wherein the PWM mode is adapted on the running conditions of the motor, e.g. the switching frequency} |
| Display label | wherein the PWM mode is adapted on the running conditions of the motor, e.g. the switching frequency |
| Total patents | 1,653 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 78 |
| 2016 | 75 |
| 2017 | 116 |
| 2018 | 130 |
| 2019 | 149 |
| 2020 | 155 |
| 2021 | 159 |
| 2022 | 172 |
| 2023 | 165 |
| 2024 | 228 |
| 2025 | 197 |
| 2026 | 29 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gate driving with phased slew rate control and overcurrent protection
US-2024243737-A1 · Jul 18, 2024 · US
Rotor flux time delay reduction through initial rotor current for electrically excited synchronous machines
US-2024063744-A1 · Feb 22, 2024 · US
Controller for a drill
US-2024001502-A1 · Jan 4, 2024 · US
Methods and apparatuses for controlling output voltages of inverters driving electric motors
US-9225282-B2 · Dec 29, 2015 · US
Control device for electric-powered vehicle, and electric-powered vehicle with control device as well as control method for electric-powered vehicle, and computer-readable recording medium bearing program for causing computer to execute control method
US-9225280-B2 · Dec 29, 2015 · US
Rotary Electric Machine Driving Device
US-2015365040-A1 · Dec 17, 2015 · US
Method for controlling ac motor
US-2015357953-A1 · Dec 10, 2015 · US
Motor drive control system
US-9203329-B2 · Dec 1, 2015 · US
Rotary electrical machine control device
US-2015340975-A1 · Nov 26, 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
PWM strategy for reduction of inverter hotspot temperature and overall losses
US-9190896-B2 · Nov 17, 2015 · US
Power control system of hybrid vehicle
US-2015321573-A1 · Nov 12, 2015 · US
Motor Control for Stability and Power Supply Protection
US-2015326154-A1 · Nov 12, 2015 · US
Control device and control method for electric motor, and motor and vehicle driving system to which the control device and control method are applied
US-9178450-B2 · Nov 3, 2015 · US
Control circuit and method for controlling a multiphase motor
US-2015311834-A1 · Oct 29, 2015 · US
Switching control device
US-2015311851-A1 · Oct 29, 2015 · US
Vehicle
US-2015307078-A1 · Oct 29, 2015 · US
Inverter device
US-2015311819-A1 · Oct 29, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02P27/085?
- CPC H02P27/085 is the Cooperative Patent Classification code for “wherein the PWM mode is adapted on the running conditions of the motor, e.g. the switching frequency.”
- How many patents are filed under CPC H02P27/085 (wherein the PWM mode is adapted on the running conditions of the motor, e.g. the switching frequency)?
- Our database includes 1,653 publications tagged with this CPC code.
- Is patent activity under CPC H02P27/085 growing?
- Publication counts under this code: 228 in 2024 vs 197 in 2025 (latest complete years).