Boost converter
US-2024396455-A1 · Nov 28, 2024 · US
Circuits for reducing or suppressing harmonics, ripples or electromagnetic interferences [EMI]
Circuits for reducing or suppressing harmonics, ripples or electromagnetic interferences [EMI] · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H05B45/36 |
| Official title | Circuits for reducing or suppressing harmonics, ripples or electromagnetic interferences [EMI] |
| Display label | Circuits for reducing or suppressing harmonics, ripples or electromagnetic interferences [EMI] |
| Total patents | 441 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 37 |
| 2016 | 40 |
| 2017 | 52 |
| 2018 | 35 |
| 2019 | 48 |
| 2020 | 36 |
| 2021 | 40 |
| 2022 | 38 |
| 2023 | 44 |
| 2024 | 33 |
| 2025 | 34 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High compatibility dimming system
US-2024215127-A1 · Jun 27, 2024 · US
Method for operating an LLC resonant converter for a light-emitting means, converter, and LED converter device
US-9516708-B2 · Dec 6, 2016 · US
Surge-protection arrangement
US-9516720-B2 · Dec 6, 2016 · US
Led tube lamp with improved compatibility with an electrical ballast
US-2016323948-A1 · Nov 3, 2016 · US
Lighting system with thermal management system
US-9468047-B2 · Oct 11, 2016 · US
Surge-protection arrangement
US-2016270161-A1 · Sep 15, 2016 · US
Led tube lamp
US-2016270184-A1 · Sep 15, 2016 · US
Led tube lamp
US-2016270173-A1 · Sep 15, 2016 · US
Led tube lamp with improved compatibility with an electrical ballast
US-2016255699-A1 · Sep 1, 2016 · US
LED driving circuit package
US-9426857-B2 · Aug 23, 2016 · US
Led tube lamp
US-2016219672-A1 · Jul 28, 2016 · US
Led tube lamp
US-2016219658-A1 · Jul 28, 2016 · US
Actuation of semiconductor light-emitting elements on the basis of the bypass state of adjacent semiconductor light-emitting elements
US-9398655-B2 · Jul 19, 2016 · US
Systems and methods for dimming of a light source
US-2016174319-A1 · Jun 16, 2016 · US
Electronic ballast-compatible lighting driver for light-emitting diode lamp
US-9357600-B2 · May 31, 2016 · US
Reduction of Harmonic Distortion for LED Loads
US-2016150604-A1 · May 26, 2016 · US
Method and apparatus for providing supplemental power in a led driver
US-2016134188-A1 · May 12, 2016 · US
Light emitting device driver circuit and driving method of light emitting device circuit
US-9307612-B2 · Apr 5, 2016 · US
High efficiency driver circuitry for a solid state lighting fixture
US-2016057825-A1 · Feb 25, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H05B45/36?
- CPC H05B45/36 is the Cooperative Patent Classification code for “Circuits for reducing or suppressing harmonics, ripples or electromagnetic interferences [EMI].”
- How many patents are filed under CPC H05B45/36 (Circuits for reducing or suppressing harmonics, ripples or electromagnetic interferences [EMI])?
- Our database includes 441 publications tagged with this CPC code.
- Is patent activity under CPC H05B45/36 growing?
- Publication counts under this code: 33 in 2024 vs 34 in 2025 (latest complete years).