Insulated power supply apparatus and semiconductor device for power supply control
US-2024014741-A1 · Jan 11, 2024 · US
Active dissipative snubbers
Active 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 | H02M1/344 |
| Official title | {Active dissipative snubbers} |
| Display label | Active dissipative snubbers |
| Total patents | 222 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 14 |
| 2017 | 17 |
| 2018 | 20 |
| 2019 | 18 |
| 2020 | 20 |
| 2021 | 17 |
| 2022 | 27 |
| 2023 | 28 |
| 2024 | 22 |
| 2025 | 24 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
DC to DC converter
US-10199936-B2 · Feb 5, 2019 · US
Switched mode power supply with dynamic frequency foldback
US-10148181-B2 · Dec 4, 2018 · US
Power converter and method of control thereof
US-10141853-B2 · Nov 27, 2018 · US
Inverter drive device and semiconductor module
US-10116247-B2 · Oct 30, 2018 · US
Power semiconductor device and snubber circuit thereof
US-2018287487-A1 · Oct 4, 2018 · US
Reduction of electromagnetic interference in a flyback converter
US-2018254710-A1 · Sep 6, 2018 · US
Discharge device
US-10056774-B2 · Aug 21, 2018 · US
Power converter and method of control thereof
US-2018226895-A1 · Aug 9, 2018 · US
Active snubber
US-10044258-B2 · Aug 7, 2018 · US
Absorption circuit, feed circuit and liquid crystal display
US-2018219475-A1 · Aug 2, 2018 · US
Reduction of electrical size of bulk capacitors in mobile power supplies
US-10038370-B2 · Jul 31, 2018 · US
DC-DC converter with overvoltage protection
US-10020746-B2 · Jul 10, 2018 · US
Dc to dc converter
US-2018166973-A1 · Jun 14, 2018 · US
Reduction of electromagnetic interference in a flyback converter
US-9991803-B1 · Jun 5, 2018 · US
Power converter with resonant circuit
US-9960678-B2 · May 1, 2018 · US
Converter and voltage clamp circuit therein
US-9954429-B2 · Apr 24, 2018 · US
Switched mode power supply with dynamic frequency foldback
US-2018102709-A1 · Apr 12, 2018 · US
Charging a capacitor
US-9931947-B2 · Apr 3, 2018 · US
Reduction of electrical size of bulk capacitors in mobile power supplies
US-2018091042-A1 · Mar 29, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02M1/344?
- CPC H02M1/344 is the Cooperative Patent Classification code for “Active dissipative snubbers.”
- How many patents are filed under CPC H02M1/344 (Active dissipative snubbers)?
- Our database includes 222 publications tagged with this CPC code.
- Is patent activity under CPC H02M1/344 growing?
- Publication counts under this code: 22 in 2024 vs 24 in 2025 (latest complete years).