High voltage DC contactor isolation via electromechanical actuation
US-12573570-B2 · Mar 10, 2026 · US
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for arcs formed during closing
for arcs formed during closing · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H33/045 |
| Official title | {for arcs formed during closing} |
| Display label | for arcs formed during closing |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 5 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High voltage dc contactor isolation via electromechanical actuation
US-2025112011-A1 · Apr 3, 2025 · US
Electrical Contact and Method of Designing an Electrical Contact
US-2024153716-A1 · May 9, 2024 · US
Electrocaloric heat transfer system
US-11859878-B2 · Jan 2, 2024 · US
Loadbreak bushing
US-11855382-B2 · Dec 26, 2023 · US
Loadbreak bushing
US-2023238737-A1 · Jul 27, 2023 · US
Electrocaloric heat transfer system
US-2021239368-A1 · Aug 5, 2021 · US
Switchgear
US-11069494-B2 · Jul 20, 2021 · US
Switching device
US-11062857-B2 · Jul 13, 2021 · US
Switchgear
US-2021066006-A1 · Mar 4, 2021 · US
Triggered gap switching device
US-10937613-B2 · Mar 2, 2021 · US
Switching device
US-2020335286-A1 · Oct 22, 2020 · US
Triggered gap switching device
US-2020258703-A1 · Aug 13, 2020 · US
HVDC disconnector
US-10586668-B2 · Mar 10, 2020 · US
Switch
US-10566155-B2 · Feb 18, 2020 · US
Switch
US-2019371546-A1 · Dec 5, 2019 · US
Hvdc disconnector
US-2019122841-A1 · Apr 25, 2019 · US
Switchgear
US-10256058-B2 · Apr 9, 2019 · US
Service plug
US-10186808-B2 · Jan 22, 2019 · US
Switchgear
US-2018247778-A1 · Aug 30, 2018 · US