Power supply control apparatus
US-2018358806-A1 · Dec 13, 2018 · US
for DC systems
for DC systems · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02H3/243 |
| Official title | {for DC systems} |
| Display label | for DC systems |
| Total patents | 185 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 17 |
| 2017 | 13 |
| 2018 | 22 |
| 2019 | 19 |
| 2020 | 23 |
| 2021 | 18 |
| 2022 | 18 |
| 2023 | 15 |
| 2024 | 15 |
| 2025 | 14 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Smart cartridge wake up operation and data retention
US-10135242-B2 · Nov 20, 2018 · US
Circuitry and sensors for powered medical device
US-10111679-B2 · Oct 30, 2018 · US
Assembly for electrically protecting a potential short-circuit or an overload in a direct current power network having a system-determined, variable source-internal resistance
US-10079483-B2 · Sep 18, 2018 · US
Photovoltaic rapid shutdown device and photovoltaic system
US-10075127-B1 · Sep 11, 2018 · US
Photovoltaic rapid shutdown device and photovoltaic system
US-2018248359-A1 · Aug 30, 2018 · US
Under voltage lockout circuit and device integrating with the same and reference voltage generating circuit
US-2018226787-A1 · Aug 9, 2018 · US
Undervoltage protection circuit and overvoltage protection circuit
US-2018205215-A1 · Jul 19, 2018 · US
Electronic equipment, control program, and control method
US-10026572-B2 · Jul 17, 2018 · US
Power supply unit for the provision of at least one switchable power output
US-10027106-B2 · Jul 17, 2018 · US
Polarity of hall magnet to identify cartridge type
US-10016199-B2 · Jul 10, 2018 · US
Method of detecting electrical disturbance by dc component
US-2018191151-A1 · Jul 5, 2018 · US
Power holding circuit device
US-2018183428-A1 · Jun 28, 2018 · US
DC-DC converter
US-10008935-B2 · Jun 26, 2018 · US
Direct current voltage conversion circuit and liquid crystal display device
US-2018175729-A1 · Jun 21, 2018 · US
Power supply unit for the provision of at least one switchable power output
US-2018115147-A1 · Apr 26, 2018 · US
Battery protection system and method
US-2018109124-A1 · Apr 19, 2018 · US
Protection switch circuit, charging circuit, and electronic device
US-9941716-B2 · Apr 10, 2018 · US
TIMER-BASED THERMAL PROTECTION FOR POWER COMPONENTS Of A SWITCH MODE POWER SUPPLY
US-2018090963-A1 · Mar 29, 2018 · US
Voltage drop protection apparatus, transmission device, and voltage drop protection system
US-9891317-B2 · Feb 13, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02H3/243?
- CPC H02H3/243 is the Cooperative Patent Classification code for “for DC systems.”
- How many patents are filed under CPC H02H3/243 (for DC systems)?
- Our database includes 185 publications tagged with this CPC code.
- Is patent activity under CPC H02H3/243 growing?
- Publication counts under this code: 15 in 2024 vs 14 in 2025 (latest complete years).