Apparatus and method for improving initial response through electro-mechanical motor frequency excitation
US-2024367631-A1 · Nov 7, 2024 · US
specially adapted for damping motor oscillations, e.g. for reducing hunting
specially adapted for damping motor oscillations, e.g. for reducing hunting · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P23/04 |
| Official title | specially adapted for damping motor oscillations, e.g. for reducing hunting |
| Display label | specially adapted for damping motor oscillations, e.g. for reducing hunting |
| Total patents | 421 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 23 |
| 2017 | 16 |
| 2018 | 26 |
| 2019 | 36 |
| 2020 | 48 |
| 2021 | 40 |
| 2022 | 38 |
| 2023 | 58 |
| 2024 | 56 |
| 2025 | 53 |
| 2026 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High-speed motor system with air bearing supporting and control method thereof
US-12021461-B1 · Jun 25, 2024 · US
Bearingless motor
US-2024136906-A1 · Apr 25, 2024 · US
Power converter control device
US-2018375455-A1 · Dec 27, 2018 · US
Motor control device
US-9929687-B2 · Mar 27, 2018 · US
Motor control apparatus and electric power steering apparatus using the same
US-9882519-B2 · Jan 30, 2018 · US
Drain pump driving apparatus and laundry treatment machine including the same
US-2017302208-A1 · Oct 19, 2017 · US
Motor control apparatus and electric power steering apparatus using the same
US-2017279394-A1 · Sep 28, 2017 · US
Motor Driving Controller
US-2017279387-A1 · Sep 28, 2017 · US
Power conversion system
US-9762147-B2 · Sep 12, 2017 · US
Computer-readable storage medium, generating method, generating apparatus, driving apparatus, processing apparatus, lithography apparatus, and method of manufacturing article
US-9762167-B2 · Sep 12, 2017 · US
Control apparatus for rotary electric machines
US-2017217332-A1 · Aug 3, 2017 · US
Motor control apparatus
US-9716457-B2 · Jul 25, 2017 · US
Motor control device
US-2017194890-A1 · Jul 6, 2017 · US
Systems and methods for motor torque compensation
US-2017179857-A1 · Jun 22, 2017 · US
Torsional Damping for Gas Turbine Engines
US-2017114665-A1 · Apr 27, 2017 · US
Power conversion system
US-2017110986-A1 · Apr 20, 2017 · US
Method and system for controlling an automotive vehicle three-phase electric machine supplied via chopped voltages
US-9621091-B2 · Apr 11, 2017 · US
System and method for motor-assisted non-uniform displacement engine control
US-2017080920-A1 · Mar 23, 2017 · US
Method and apparatus for controlling an electric machine
US-2017077854-A1 · Mar 16, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02P23/04?
- CPC H02P23/04 is the Cooperative Patent Classification code for “specially adapted for damping motor oscillations, e.g. for reducing hunting.”
- How many patents are filed under CPC H02P23/04 (specially adapted for damping motor oscillations, e.g. for reducing hunting)?
- Our database includes 421 publications tagged with this CPC code.
- Is patent activity under CPC H02P23/04 growing?
- Publication counts under this code: 56 in 2024 vs 53 in 2025 (latest complete years).