Electric arc-blast nozzle with improved mechanical strength and a circuit breaker including such a nozzle
US-12224137-B2 · Feb 11, 2025 · US
wherein the break is in gas (in air at atmospheric pressure H01H33/77)
wherein the break is in gas (in air at atmospheric pressure H01H33/77) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H33/78 |
| Official title | wherein the break is in gas (in air at atmospheric pressure H01H33/77) |
| Display label | wherein the break is in gas (in air at atmospheric pressure H01H33/77) |
| Total patents | 26 |
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 | 4 |
| 2016 | 4 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Switching device
US-2024186089-A1 · Jun 6, 2024 · US
Electric arc-blast nozzle with improved mechanical strength and a circuit breaker including such a nozzle
US-2023162932-A1 · May 25, 2023 · US
Switching device
US-11557448-B2 · Jan 17, 2023 · US
Electric arc-blast nozzle made of a material comprising micro-capsules of liquid (CF3)2CFCN and a circuit breaker including such a nozzle
US-11462377-B2 · Oct 4, 2022 · US
Insulating molded body and gas circuit breaker
US-11322322-B2 · May 3, 2022 · US
Circuit interrupter
US-11264192-B2 · Mar 1, 2022 · US
An electric arc-blast nozzle made of a material comprising micro-capsules of liquid (cf3)2cfcn and a circuit breaker including such a nozzle
US-2021398762-A1 · Dec 23, 2021 · US
Circuit breaker comprising a ceria-based catalyst for CO conversion into CO2
US-11056300-B2 · Jul 6, 2021 · US
Switching Device
US-2021151269-A1 · May 20, 2021 · US
Circuit interrupter
US-2021066007-A1 · Mar 4, 2021 · US
Insulating molded body and gas circuit breaker
US-2020357587-A1 · Nov 12, 2020 · US
A circuit breaker comprising a ceria-based catalyst for co conversion into co2
US-2020185171-A1 · Jun 11, 2020 · US
Contact apparatus
US-2019066951-A1 · Feb 28, 2019 · US
Current connection and/or cut-off device comprising permanent contacts with reduced wear
US-10186389-B2 · Jan 22, 2019 · US
Gas circuit breaker
US-10157719-B2 · Dec 18, 2018 · US
Contact apparatus
US-10102991-B2 · Oct 16, 2018 · US
Gas circuit breaker
US-2017345593-A1 · Nov 30, 2017 · US
Arc-extinguishing insulation material molded product and gas circuit breaker including the same
US-9475906-B2 · Oct 25, 2016 · US
Contact apparatus
US-2016233039-A1 · Aug 11, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H33/78?
- CPC H01H33/78 is the Cooperative Patent Classification code for “wherein the break is in gas (in air at atmospheric pressure H01H33/77).”
- How many patents are filed under CPC H01H33/78 (wherein the break is in gas (in air at atmospheric pressure H01H33/77))?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC H01H33/78 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).