Power management apparatus, power management method, and power management system
US-2017307665-A1 · Oct 26, 2017 · US
Electricity
Electricity · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02J3/387 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 276 |
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 | 12 |
| 2016 | 39 |
| 2017 | 64 |
| 2018 | 57 |
| 2019 | 52 |
| 2020 | 33 |
| 2021 | 15 |
| 2022 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Energy management system and method
US-9766645-B2 · Sep 19, 2017 · US
Flight path calculating and searching method of a unmanned aerial vehicle with regenerative fuel cells and solar cells for high altitude long endurance, and a searching apparatus thereof
US-2017236427-A1 · Aug 17, 2017 · US
Fuel cell system and method of controlling of a fuel cell system
US-2017207634-A1 · Jul 20, 2017 · US
Battery control system, battery controller, battery control method and program
US-9696695-B2 · Jul 4, 2017 · US
Electrical systems and methods for islanding transitions
US-2017179847-A1 · Jun 22, 2017 · US
Wireless communication authentication for medical monitoring device
US-2017018172-A1 · Jan 19, 2017 · US
Electrical power distribution system and method for a grid-tied reversible solid oxide fuel cell system
US-2017005357-A1 · Jan 5, 2017 · US
Control device for hybrid electric power system
US-9535436-B2 · Jan 3, 2017 · US
Method for Temporarily Storing the Electric Energy of an Energy Supply System and Regenerative Energy Storage Device
US-2016372775-A1 · Dec 22, 2016 · US
Operation apparatus and operation method
US-2016349734-A1 · Dec 1, 2016 · US
Systems and methods for integrating distributed energy resources
US-2016336752-A1 · Nov 17, 2016 · US
Method and Apparatus for Actively Managing Electric Power Supply for an Electric Power Grid
US-2016334824-A1 · Nov 17, 2016 · US
Heat pump operation method and heat pump system
US-9494373-B2 · Nov 15, 2016 · US
Systems and methods for providing vector control of a grid connected converter with a resonant circuit grid filter
US-2016329714-A1 · Nov 10, 2016 · US
Device with blocking rectifier
US-2016329718-A1 · Nov 10, 2016 · US
Aircraft electrical system and associated management method
US-9487166-B2 · Nov 8, 2016 · US
Power conversion system
US-9479070-B2 · Oct 25, 2016 · US
Power converter circuit with AC output
US-9478989-B2 · Oct 25, 2016 · US
Electric power supply system having active power control device
US-2016297544-A1 · Oct 13, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02J3/387?
- CPC H02J3/387 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H02J3/387 (Electricity)?
- Our database includes 276 publications tagged with this CPC code.
- Is patent activity under CPC H02J3/387 growing?
- Publication counts under this code: 15 in 2021 vs 4 in 2022 (latest complete years).