Power converter and control method therefor
US-2017373607-A1 · Dec 28, 2017 · US
Passive dissipative snubbers
Passive dissipative snubbers · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02M1/348 |
| Official title | {Passive dissipative snubbers} |
| Display label | Passive dissipative snubbers |
| Total patents | 448 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 22 |
| 2017 | 29 |
| 2018 | 27 |
| 2019 | 45 |
| 2020 | 38 |
| 2021 | 52 |
| 2022 | 56 |
| 2023 | 45 |
| 2024 | 59 |
| 2025 | 54 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Converter
US-9847707-B2 · Dec 19, 2017 · US
Power supply device and a synchronous rectifier PCB
US-9837927-B2 · Dec 5, 2017 · US
Output current estimating method and power supply device using the same
US-9825541-B2 · Nov 21, 2017 · US
Power converter and control method therefor
US-9800166-B2 · Oct 24, 2017 · US
Active damper and power supply including the same
US-9800136-B2 · Oct 24, 2017 · US
Switch Actuation Measurement Circuit for Voltage Converter
US-2017302214-A1 · Oct 19, 2017 · US
Driver For High-Frequency Switching Voltage Converters
US-2017302212-A1 · Oct 19, 2017 · US
Power conversion device including primary inverter, transformer, secondary converter
US-2017294845-A1 · Oct 12, 2017 · US
Power supply apparatus
US-2017288578-A1 · Oct 5, 2017 · US
Variable snubber for mosfet application
US-2017287903-A1 · Oct 5, 2017 · US
DC power system for marine applications
US-9780643-B2 · Oct 3, 2017 · US
Switching regulator synchronous node snubber circuit
US-9768678-B1 · Sep 19, 2017 · US
System and method for a multi-phase snubber circuit
US-9768607-B2 · Sep 19, 2017 · US
Power module and power circuit
US-2017229953-A1 · Aug 10, 2017 · US
Power conversion device having two serially-connected switching elements
US-9729044-B2 · Aug 8, 2017 · US
Circuit interruption device
US-9692226-B2 · Jun 27, 2017 · US
Integrated snubber in a single poly MOSFET
US-9685435-B2 · Jun 20, 2017 · US
Switching element driving power supply circuit
US-9673715-B2 · Jun 6, 2017 · US
Circuit arrangement and method for operating semiconductor light sources
US-2017111965-A1 · Apr 20, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02M1/348?
- CPC H02M1/348 is the Cooperative Patent Classification code for “Passive dissipative snubbers.”
- How many patents are filed under CPC H02M1/348 (Passive dissipative snubbers)?
- Our database includes 448 publications tagged with this CPC code.
- Is patent activity under CPC H02M1/348 growing?
- Publication counts under this code: 59 in 2024 vs 54 in 2025 (latest complete years).