DC circuit breaker
US-11430621-B2 · Aug 30, 2022 · US
Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H33/14 |
| Official title | Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc |
| Display label | Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc |
| Total patents | 80 |
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 | 5 |
| 2016 | 7 |
| 2017 | 4 |
| 2018 | 5 |
| 2019 | 14 |
| 2020 | 11 |
| 2021 | 10 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 7 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Breaking device
US-2022208490-A1 · Jun 30, 2022 · US
Switch for MV or HV Traction Line Test Device
US-2022139650-A1 · May 5, 2022 · US
Switch device, high-voltage circuit breaker, and method for operating the switch device
US-2022044892-A1 · Feb 10, 2022 · US
Switching module connection structure
US-11152165-B2 · Oct 19, 2021 · US
Switching device and method for operating a switching device
US-2021304995-A1 · Sep 30, 2021 · US
Electric switch limiter pole and DC electric switch comprising such a limiter pole
US-11133138-B2 · Sep 28, 2021 · US
Thomson coil driven switch assembly with lightweight plunger
US-11004641-B2 · May 11, 2021 · US
Mechanical closing of a current interrupter
US-10971317-B2 · Apr 6, 2021 · US
Dc circuit breaker
US-2021090829-A1 · Mar 25, 2021 · US
Disconnect switch assemblies with a shared actuator that concurrently applies motive forces in opposing directions and related circuit breakers and methods
US-10957505-B2 · Mar 23, 2021 · US
Triggered gap switching device
US-10937613-B2 · Mar 2, 2021 · US
Switching module connection structure
US-2021043397-A1 · Feb 11, 2021 · US
Rotary switch and circuit interrupter including the same
US-2021012992-A1 · Jan 14, 2021 · US
Disconnect switch assemblies with a shared actuator that concurrently applies motive forces in opposing directions and related circuit breakers and methods
US-2020402751-A1 · Dec 24, 2020 · US
Electrical DC switching system
US-10872740-B2 · Dec 22, 2020 · US
Electric switch limiter pole and dc electric switch comprising such a limiter pole
US-2020357585-A1 · Nov 12, 2020 · US
Series vacuum interrupters with grading capacitors integrated in a molded switch housing
US-10818455-B2 · Oct 27, 2020 · US
Electrical switch
US-10804056-B2 · Oct 13, 2020 · US
Thomson coil integrated moving contact in vacuum interrupter
US-10796868-B2 · Oct 6, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H33/14?
- CPC H01H33/14 is the Cooperative Patent Classification code for “Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc.”
- How many patents are filed under CPC H01H33/14 (Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc)?
- Our database includes 80 publications tagged with this CPC code.
- Is patent activity under CPC H01H33/14 growing?
- Publication counts under this code: 7 in 2024 vs 4 in 2025 (latest complete years).