Wind turbine and energy storage combined inertia response method and apparatus
US-2024429842-A1 · Dec 26, 2024 · US
with PID control
with PID control · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F03D7/044 |
| Official title | {with PID control} |
| Display label | with PID control |
| Total patents | 68 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 10 |
| 2019 | 3 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 6 |
| 2023 | 7 |
| 2024 | 9 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Vibrations in wind turbines
US-12152565-B2 · Nov 26, 2024 · US
Fast active power output reduction system of doubly-fed induction generator and method thereof
US-12119778-B2 · Oct 15, 2024 · US
Individual blade adjustment in a wind power installation
US-11994104-B2 · May 28, 2024 · US
Method for controlling a wind power installation
US-11952980-B2 · Apr 9, 2024 · US
Wind turbine setpoint reduction
US-11933270-B2 · Mar 19, 2024 · US
Generator control for oscillation damping
US-2024055860-A1 · Feb 15, 2024 · US
Method for detecting a blade misalignment of a rotor blade of a rotor of a wind turbine
US-2023314130-A1 · Oct 5, 2023 · US
Vibrations in wind turbines
US-2023304472-A1 · Sep 28, 2023 · US
Methods for operating wind turbines and feeding auxiliary systems
US-2023279837-A1 · Sep 7, 2023 · US
Individual blade adjustment in a wind power installation
US-2023265831-A1 · Aug 24, 2023 · US
Toe angle control for multirotor wind turbines
US-2023243334-A1 · Aug 3, 2023 · US
Yaw control using mean motor speed reference as feedback
US-2023038784-A1 · Feb 9, 2023 · US
Method for feeding electrical power into an electrical supply network
US-11573252-B2 · Feb 7, 2023 · US
Wind turbine and method for detecting and responding to loads acting thereon
US-11525432-B2 · Dec 13, 2022 · US
Wind turbine setpoint reduction
US-2022290652-A1 · Sep 15, 2022 · US
Method of controlling a wind turbine and apparatus therefor
US-11401915-B2 · Aug 2, 2022 · US
Method for controlling a wind power installation
US-2022235737-A1 · Jul 28, 2022 · US
Method and apparatus for controlling wind turbine power
US-11339762-B2 · May 24, 2022 · US
Fast active power output reduction system of doubly-fed induction generator and method thereof
US-2022069751-A1 · Mar 3, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F03D7/044?
- CPC F03D7/044 is the Cooperative Patent Classification code for “with PID control.”
- How many patents are filed under CPC F03D7/044 (with PID control)?
- Our database includes 68 publications tagged with this CPC code.
- Is patent activity under CPC F03D7/044 growing?
- Publication counts under this code: 9 in 2024 vs 6 in 2025 (latest complete years).