Frequency converter and method in connection with a frequency converter
US-2019393701-A1 · Dec 26, 2019 · US
Arrangements for transfer of electric power between networks of substantially different frequency
Arrangements for transfer of electric power between networks of substantially different frequency · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02J3/34 |
| Official title | Arrangements for transfer of electric power between networks of substantially different frequency |
| Display label | Arrangements for transfer of electric power between networks of substantially different frequency |
| Total patents | 130 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 6 |
| 2017 | 13 |
| 2018 | 14 |
| 2019 | 23 |
| 2020 | 17 |
| 2021 | 9 |
| 2022 | 6 |
| 2023 | 7 |
| 2024 | 8 |
| 2025 | 11 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus and method for providing a power interface
US-10505367-B2 · Dec 10, 2019 · US
Systems and method for routing power across multiple microgrids having DC and AC buses
US-10459473-B2 · Oct 29, 2019 · US
Consolidation and use of power recovered from a turbine in a process unit
US-2019288517-A1 · Sep 19, 2019 · US
Method and control system for controlling a voltage source converter using power-synchronization control
US-10389129-B2 · Aug 20, 2019 · US
Modulation of ac/ac mmc
US-2019199230-A1 · Jun 27, 2019 · US
Load profile selection in adaptive dynamic islanding using batteries
US-10320190-B2 · Jun 11, 2019 · US
Automatic network device electrical phase identification
US-10312681-B2 · Jun 4, 2019 · US
Method And Control System For Controlling A Voltage Source Converter Using Power-Synchronization Control
US-2019157870-A1 · May 23, 2019 · US
Power supply assembly and associated method
US-2019123674-A1 · Apr 25, 2019 · US
Fault tolerant wind turbine converter system
US-10236687-B2 · Mar 19, 2019 · US
Motor and fan having motor
US-10230317-B2 · Mar 12, 2019 · US
Control device for distributed power supply system, distributed power supply system, and control program of distributed power supply system
US-2019067949-A1 · Feb 28, 2019 · US
Dual-shaft gas turbine power generation system, and control device and control method for gas turbine system
US-10193383-B2 · Jan 29, 2019 · US
System for transmitting electrical power
US-10128657-B2 · Nov 13, 2018 · US
Surface management of drill string rotation for stick-and-slip reduction
US-2018274352-A1 · Sep 27, 2018 · US
Inverter, method for operating an inverter and energy supply installation with an inverter
US-10027247-B2 · Jul 17, 2018 · US
Continuously balancing multiple phases of a power grid
US-2018198281-A1 · Jul 12, 2018 · US
Contactless led lighting fixture and led lighting network including contactless led lighting fixture
US-2018177021-A1 · Jun 21, 2018 · US
Continuously balancing multiple phases of a power grid
US-9997916-B2 · Jun 12, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02J3/34?
- CPC H02J3/34 is the Cooperative Patent Classification code for “Arrangements for transfer of electric power between networks of substantially different frequency.”
- How many patents are filed under CPC H02J3/34 (Arrangements for transfer of electric power between networks of substantially different frequency)?
- Our database includes 130 publications tagged with this CPC code.
- Is patent activity under CPC H02J3/34 growing?
- Publication counts under this code: 8 in 2024 vs 11 in 2025 (latest complete years).