Gas circuit breaker
US-2017345593-A1 · Nov 30, 2017 · US
Stationary parts for restricting or subdividing the arc, e.g. barrier plate
Stationary parts for restricting or subdividing the arc, e.g. barrier plate · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H33/08 |
| Official title | Stationary parts for restricting or subdividing the arc, e.g. barrier plate |
| Display label | Stationary parts for restricting or subdividing the arc, e.g. barrier plate |
| Total patents | 156 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 29 |
| 2017 | 17 |
| 2018 | 16 |
| 2019 | 17 |
| 2020 | 12 |
| 2021 | 10 |
| 2022 | 7 |
| 2023 | 11 |
| 2024 | 8 |
| 2025 | 11 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Molded-case circuit breaker
US-9818560-B2 · Nov 14, 2017 · US
Switching Device With Arc Extinguishing Device
US-2017309424-A1 · Oct 26, 2017 · US
Devices, systems, and methods for protection of switchgear against electrical arcs
US-2017301489-A1 · Oct 19, 2017 · US
Dc electrical circuit breaker
US-2017301490-A1 · Oct 19, 2017 · US
Electrical apparatus for breaking an electric current in air comprising an improved extinguishing gas filtering device
US-2017278653-A1 · Sep 28, 2017 · US
Slot motor assembly and arc plate assembly combination
US-9704676-B1 · Jul 11, 2017 · US
Electrical circuit breaker
US-9697968-B2 · Jul 4, 2017 · US
Electric current switching apparatus
US-9691558-B2 · Jun 27, 2017 · US
Gas insulated circuit breaker
US-2017178845-A1 · Jun 22, 2017 · US
Circuit breakers with moving contact having heel-toe action
US-9685287-B2 · Jun 20, 2017 · US
Arc extinguishing contact assembly for a circuit breaker assembly
US-9679719-B2 · Jun 13, 2017 · US
Electrical switching apparatus, and arc chamber assembly and associated circuit protection method
US-9673004-B1 · Jun 6, 2017 · US
Passive resonance DC circuit breaker
US-9640974-B2 · May 2, 2017 · US
Electrical circuit breaker
US-2017053758-A1 · Feb 23, 2017 · US
Switching device for direct current applications
US-9552944-B2 · Jan 24, 2017 · US
Retaining assembly for a circuit breaker contact system
US-9552950-B2 · Jan 24, 2017 · US
Arc extinguishing assemblies and methods
US-9530592-B1 · Dec 27, 2016 · US
Retaining assembly for a circuit breaker contact system
US-2016365212-A1 · Dec 15, 2016 · US
Electric switch housing
US-9478373-B2 · Oct 25, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H33/08?
- CPC H01H33/08 is the Cooperative Patent Classification code for “Stationary parts for restricting or subdividing the arc, e.g. barrier plate.”
- How many patents are filed under CPC H01H33/08 (Stationary parts for restricting or subdividing the arc, e.g. barrier plate)?
- Our database includes 156 publications tagged with this CPC code.
- Is patent activity under CPC H01H33/08 growing?
- Publication counts under this code: 8 in 2024 vs 11 in 2025 (latest complete years).