Load switch and power system
US-12519301-B2 · Jan 6, 2026 · US
responsive to reversal of power transmission direction (reversal of direct current H02H3/18)
responsive to reversal of power transmission direction (reversal of direct current H02H3/18) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02H3/003 |
| Official title | {responsive to reversal of power transmission direction (reversal of direct current H02H3/18)} |
| Display label | responsive to reversal of power transmission direction (reversal of direct current H02H3/18) |
| Total patents | 59 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 6 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 7 |
| 2021 | 8 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Potential generating circuit, reverse flow preventing circuit, and control method of potential generating circuit
US-2025372999-A1 · Dec 4, 2025 · US
Power-side shutdown protection method for power conversion circuit, power converter, combiner box, and power conversion system
US-2025337234-A1 · Oct 30, 2025 · US
Current-controlled circuit breaker for electrical submersible pump motor leads
US-12424844-B2 · Sep 23, 2025 · US
Electrical power supply system, moving object, and method of controlling electrical power supply system
US-2025246915-A1 · Jul 31, 2025 · US
Protection circuit and semiconductor device
US-2025246901-A1 · Jul 31, 2025 · US
Gallium nitride-based active current flowback prevention
US-2025210965-A1 · Jun 26, 2025 · US
Current-controlled circuit breaker for electrical submersible pump motor leads
US-2025112457-A1 · Apr 3, 2025 · US
Surge-immune DC input supply apparatus
US-11973341-B2 · Apr 30, 2024 · US
Fault-protected analog and digital input/output interface
US-11967816-B2 · Apr 23, 2024 · US
Load switch and power system
US-2023378950-A1 · Nov 23, 2023 · US
Reverse-flow prevention circuit, power supply circuit, and power-supply device
US-2023079668-A1 · Mar 16, 2023 · US
Surge-immune dc input supply apparatus
US-2023048562-A1 · Feb 16, 2023 · US
Fault-protected analog and digital input/output interface
US-2022352706-A1 · Nov 3, 2022 · US
High efficiency power regulator and method
US-11411496-B2 · Aug 9, 2022 · US
Systems and methods for controlling a segmented circuit
US-2022218338-A1 · Jul 14, 2022 · US
Locating and isolating grid faults utilizing a fast close-open operation
US-11329479-B2 · May 10, 2022 · US
Load drive circuit configured to prevent a flyback current
US-11228305-B2 · Jan 18, 2022 · US
Power supply module
US-11226647-B2 · Jan 18, 2022 · US
Protection circuit for decoupling a low voltage circuitry from a high voltage circuitry
US-11128121-B2 · Sep 21, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02H3/003?
- CPC H02H3/003 is the Cooperative Patent Classification code for “responsive to reversal of power transmission direction (reversal of direct current H02H3/18).”
- How many patents are filed under CPC H02H3/003 (responsive to reversal of power transmission direction (reversal of direct current H02H3/18))?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC H02H3/003 growing?
- Publication counts under this code: 2 in 2024 vs 7 in 2025 (latest complete years).