Positive and negative bipolar modular multilevel alternating current-alternating current frequency converter
US-12445060-B2 · Oct 14, 2025 · US
for conversion of frequency
for conversion of 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 | H02M5/16 |
| Official title | for conversion of frequency |
| Display label | for conversion of frequency |
| Total patents | 38 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 5 |
| 2017 | 5 |
| 2018 | 6 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Positive and negative bipolar modular multilevel alternating current-alternating current frequency converter
US-2025293611-A1 · Sep 18, 2025 · US
Converter apparatus and operating method
US-12301006-B2 · May 13, 2025 · US
Seven-switch indirect matrix converter with passive secondary circuit
US-2025033490-A1 · Jan 30, 2025 · US
Energy storage power source using a wound-rotor induction machine (WRIM) to charge and discharge energy storage elements (ESEs)
US-12136844-B2 · Nov 5, 2024 · US
Transformer arrangement
US-12113449-B2 · Oct 8, 2024 · US
Substrate processing apparatus and substrate processing method
US-2024290577-A1 · Aug 29, 2024 · US
Transformer arrangement
US-2024204679-A1 · Jun 20, 2024 · US
Energy storage power source using self-excitation of a wound-rotor induction machine (WRIM) to charge and discharge energy storage elements (ESEs)
US-11929619-B2 · Mar 12, 2024 · US
ENERGY STORAGE POWER SOURCE USING SELF-EXCITATION OF A WOUND-ROTOR INDUCTION MACHINE (WRIM) TO CHARGE AND DISCHARGE ENERGY STORAGE ELEMENTS (ESEs)
US-2023216302-A1 · Jul 6, 2023 · US
ENERGY STORAGE POWER SOURCE USING A WOUND-ROTOR INDUCTION MACHINE (WRIM) TO CHARGE AND DISCHARGE ENERGY STORAGE ELEMENTS (ESEs)
US-2023198283-A1 · Jun 22, 2023 · US
Converter apparatus and operating method
US-2022285946-A1 · Sep 8, 2022 · US
High switching frequency direct AC to AC converter
US-11095229-B1 · Aug 17, 2021 · US
Electromagnetic power converter
US-10784041-B2 · Sep 22, 2020 · US
Three-phase AC/AC converter with quasi-sine wave HF series resonant link
US-10581336-B2 · Mar 3, 2020 · US
Converter topologies and control
US-10530276-B2 · Jan 7, 2020 · US
Electromagnetic power converter
US-2019267186-A1 · Aug 29, 2019 · US
Three-phase ac/ac converter with quasi-sine wave hf series resonant link
US-2019199228-A1 · Jun 27, 2019 · US
Electromagnetic power converter
US-10290417-B2 · May 14, 2019 · US
LLC resonant frequency auto detection
US-10177673-B2 · Jan 8, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02M5/16?
- CPC H02M5/16 is the Cooperative Patent Classification code for “for conversion of frequency.”
- How many patents are filed under CPC H02M5/16 (for conversion of frequency)?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC H02M5/16 growing?
- Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).