Commanding Distributed Energy Resources
US-2019372347-A1 · Dec 5, 2019 · US
using dynamo-electric machines coupled to flywheels
using dynamo-electric machines coupled to flywheels · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02J3/30 |
| Official title | using dynamo-electric machines coupled to flywheels |
| Display label | using dynamo-electric machines coupled to flywheels |
| Total patents | 165 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 11 |
| 2017 | 11 |
| 2018 | 12 |
| 2019 | 23 |
| 2020 | 17 |
| 2021 | 24 |
| 2022 | 16 |
| 2023 | 19 |
| 2024 | 15 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electro-mechanical kinetic energy storage device and method of operation
US-10491074-B2 · Nov 26, 2019 · US
Plug-in distributed energy resource
US-10418815-B2 · Sep 17, 2019 · US
AC excitation synchronous condenser and control method thereof
US-10411627-B2 · Sep 10, 2019 · US
A method of providing power support to an electrical power grid
US-2019273379-A1 · Sep 5, 2019 · US
Motor drive system including power storage device
US-2019267835-A1 · Aug 29, 2019 · US
Power control system
US-10389128-B2 · Aug 20, 2019 · US
Ac excitation synchronous condenser and control method thereof
US-2019199255-A1 · Jun 27, 2019 · US
System and method for modulating high power in a submersible energy storage vessel utilizing high voltage dc transmission
US-2019199094-A1 · Jun 27, 2019 · US
Distributed renewable energy grid controller
US-10326280-B1 · Jun 18, 2019 · US
Motor controller, power converter, auxiliary power source, and method for controlling auxiliary power source
US-2019149068-A1 · May 16, 2019 · US
Emulator apparatus for microgrid testing and design
US-10270251-B1 · Apr 23, 2019 · US
Electrical Power Generation and Distribution System with Power Recovery and Regeneration
US-2019115758-A1 · Apr 18, 2019 · US
Motor drive system including power storage device
US-2019115759-A1 · Apr 18, 2019 · US
System and method for integrating energy storage into modular power converter
US-10243370-B2 · Mar 26, 2019 · US
Plug-in distributed energy resource
US-10218177-B2 · Feb 26, 2019 · US
Method for controlling power grid frequency of multiple energy storage systems, and system therefor
US-10199988-B2 · Feb 5, 2019 · US
Hybrid energy storage modules for pulsed power effectors with medium voltage direct current (mvdc) power distribution
US-2019036336-A1 · Jan 31, 2019 · US
Microgrid electric power generation systems and associated methods
US-2018366950-A1 · Dec 20, 2018 · US
Nonlinear power flow control for networked AC/DC microgrids
US-2018366952-A1 · Dec 20, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02J3/30?
- CPC H02J3/30 is the Cooperative Patent Classification code for “using dynamo-electric machines coupled to flywheels.”
- How many patents are filed under CPC H02J3/30 (using dynamo-electric machines coupled to flywheels)?
- Our database includes 165 publications tagged with this CPC code.
- Is patent activity under CPC H02J3/30 growing?
- Publication counts under this code: 15 in 2024 vs 7 in 2025 (latest complete years).