Square wave-to-sine wave converter
US-2020373926-A1 · Nov 26, 2020 · US
using discharge tubes without control electrode or semiconductor devices without control electrode
using discharge tubes without control electrode or semiconductor devices without control electrode · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02M7/46 |
| Official title | using discharge tubes without control electrode or semiconductor devices without control electrode |
| Display label | using discharge tubes without control electrode or semiconductor devices without control electrode |
| Total patents | 76 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 8 |
| 2017 | 16 |
| 2018 | 10 |
| 2019 | 8 |
| 2020 | 10 |
| 2021 | 5 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cycloidal electric machine with minimized airgap
US-2020343779-A1 · Oct 29, 2020 · US
Motor driven propulsor of an aircraft
US-10807730-B2 · Oct 20, 2020 · US
Cycloidal electric machine with minimized airgap
US-10804759-B1 · Oct 13, 2020 · US
Square wave-to-sine wave converter
US-10784873-B1 · Sep 22, 2020 · US
Motor driven propulsor of an aircraft
US-2020198792-A1 · Jun 25, 2020 · US
Buck-boost converter for an electric drive
US-10651740-B1 · May 12, 2020 · US
Power supply circuit for fiber laser oscillator use
US-2019260288-A1 · Aug 22, 2019 · US
Active discharge circuit for link capacitor using phase leg switches
US-10384561-B2 · Aug 20, 2019 · US
Resonant inverter topology, wireless charger, and control method
US-10381950-B2 · Aug 13, 2019 · US
Power conversion device, motor drive unit, and electric power steering device
US-2019199239-A1 · Jun 27, 2019 · US
Contactless power receiving device, contactless power transfer device, and contactless power transfer and receiving device
US-2019190319-A1 · Jun 20, 2019 · US
Configurable low voltage power distribution circuit modules
US-10320199-B2 · Jun 11, 2019 · US
Power converter, a controller and a system
US-10305366-B2 · May 28, 2019 · US
Power converter, a controller and a system
US-2019036440-A1 · Jan 31, 2019 · US
Power converter
US-2018342960-A1 · Nov 29, 2018 · US
Photovoltaic power conditioning units
US-10141745-B2 · Nov 27, 2018 · US
Method and system for controlling a control installation of an electric motor
US-10141871-B2 · Nov 27, 2018 · US
Virtual impedance comprehensive control method for inductive power filtering system
US-10135329-B2 · Nov 20, 2018 · US
Direct current voltage clamping in a vehicle
US-10093184-B2 · Oct 9, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02M7/46?
- CPC H02M7/46 is the Cooperative Patent Classification code for “using discharge tubes without control electrode or semiconductor devices without control electrode.”
- How many patents are filed under CPC H02M7/46 (using discharge tubes without control electrode or semiconductor devices without control electrode)?
- Our database includes 76 publications tagged with this CPC code.
- Is patent activity under CPC H02M7/46 growing?
- Publication counts under this code: 1 in 2024 vs 5 in 2025 (latest complete years).