Direct current switch and power converter
US-2025364195-A1 · Nov 27, 2025 · US
Details
Details · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H31/02 |
| Official title | Details |
| Display label | Details |
| Total patents | 59 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 4 |
| 2017 | 1 |
| 2018 | 11 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 6 |
| 2022 | 9 |
| 2023 | 2 |
| 2024 | 9 |
| 2025 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Medium voltage switchgear disconnector system
US-12444912-B2 · Oct 14, 2025 · US
Rotary isolator switch and power converter
US-2025308816-A1 · Oct 2, 2025 · US
Electric current switching device
US-2025246377-A1 · Jul 31, 2025 · US
Smart outdoor switchgear for control and protection of connection and disconnection of medium-voltage microgrid
US-2025246388-A1 · Jul 31, 2025 · US
System and method for providing indication of a closed switch
US-12362112-B2 · Jul 15, 2025 · US
Air circuit breaker having insertion/withdrawal linkage type arc cover
US-2025157758-A1 · May 15, 2025 · US
Air circuit breaker
US-2025149274-A1 · May 8, 2025 · US
Air cooled disconnector provided with cooling slots
US-2025125103-A1 · Apr 17, 2025 · US
Switchgear
US-2024356315-A1 · Oct 24, 2024 · US
Arc extinguishing unit and air circuit breaker comprising same
US-2024222050-A1 · Jul 4, 2024 · US
Breaker unit and air circuit breaker comprising same
US-2024212953-A1 · Jun 27, 2024 · US
Disconnector or earthing switch
US-2024203670-A1 · Jun 20, 2024 · US
Three-position disconnector switch
US-12009163-B2 · Jun 11, 2024 · US
System and method for providing indication of a closed switch
US-11990297-B2 · May 21, 2024 · US
System and method for providing indication of a closed switch
US-2024136129-A1 · Apr 25, 2024 · US
System and method for providing indication of a closed switch
US-11908644-B2 · Feb 20, 2024 · US
Arc extinction apparatus of air circuit breaker
US-11887799-B2 · Jan 30, 2024 · US
Arc-extinguishing unit structure for direct current air circuit breaker
US-11830690-B2 · Nov 28, 2023 · US
Medium Voltage Switchgear Disconnector System
US-2023378727-A1 · Nov 23, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H31/02?
- CPC H01H31/02 is the Cooperative Patent Classification code for “Details.”
- How many patents are filed under CPC H01H31/02 (Details)?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC H01H31/02 growing?
- Publication counts under this code: 9 in 2024 vs 9 in 2025 (latest complete years).