Adaptive impedance tracking
US-2024219478-A1 · Jul 4, 2024 · US
Parallel operation of DC sources having power converters with further DC sources without power converters
Parallel operation of DC sources having power converters with further DC sources without power converters · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02J1/12 |
| Official title | Parallel operation of DC sources having power converters with further DC sources without power converters |
| Display label | Parallel operation of DC sources having power converters with further DC sources without power converters |
| Total patents | 379 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 19 |
| 2016 | 23 |
| 2017 | 22 |
| 2018 | 19 |
| 2019 | 30 |
| 2020 | 24 |
| 2021 | 56 |
| 2022 | 54 |
| 2023 | 41 |
| 2024 | 44 |
| 2025 | 41 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Voltage control system, fuel cell system, and control method for voltage control system
US-2017365867-A1 · Dec 21, 2017 · US
Photovoltaic Power Device and Wiring
US-2017346295-A1 · Nov 30, 2017 · US
Power supply device
US-9831671-B2 · Nov 28, 2017 · US
Power receiver circuit
US-2017331299-A1 · Nov 16, 2017 · US
Power storage system and power storage method
US-2017294691-A1 · Oct 12, 2017 · US
Bidirectional conversion architecture with energy storage
US-9787101-B2 · Oct 10, 2017 · US
Optimizer Garland
US-2017288409-A1 · Oct 5, 2017 · US
Power supply apparatus, transport device including power supply apparatus, estimating method of estimating correlation information between charge rate and open-end voltage of electric storage section, and computer readable medium for estimating correlation information
US-2017285109-A1 · Oct 5, 2017 · US
Hybrid alternating current (AC)/direct current (DC) distribution for multiple-floor buildings
US-9755433-B2 · Sep 5, 2017 · US
Redundant voltage supply device
US-2017229862-A1 · Aug 10, 2017 · US
Determining a string configuration in a multistring-inverter
US-9722425-B2 · Aug 1, 2017 · US
Power distribution system for an aircraft
US-9660446-B2 · May 23, 2017 · US
Device for connecting a base vehicle electrical system to a, in particular, safety-relevant subsystem
US-2017113637-A1 · Apr 27, 2017 · US
Direct current power distribution and conversion system
US-2017110877-A1 · Apr 20, 2017 · US
Photovoltaic power conditioning units
US-2017093164-A1 · Mar 30, 2017 · US
Direct current power supply device control method and control device
US-2017093205-A1 · Mar 30, 2017 · US
Systems and methods for capacitor charge extraction
US-9590497-B2 · Mar 7, 2017 · US
Photovoltaic power conditioning units
US-9520803-B2 · Dec 13, 2016 · US
Modular equipment center distributed primary power architecture
US-9511728-B2 · Dec 6, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02J1/12?
- CPC H02J1/12 is the Cooperative Patent Classification code for “Parallel operation of DC sources having power converters with further DC sources without power converters.”
- How many patents are filed under CPC H02J1/12 (Parallel operation of DC sources having power converters with further DC sources without power converters)?
- Our database includes 379 publications tagged with this CPC code.
- Is patent activity under CPC H02J1/12 growing?
- Publication counts under this code: 44 in 2024 vs 41 in 2025 (latest complete years).