Vacuum circuit breaker
US-2025391621-A1 · Dec 25, 2025 · US
Gas-tight sealings for moving parts penetrating into the reservoir
Gas-tight sealings for moving parts penetrating into the reservoir · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H33/565 |
| Official title | {Gas-tight sealings for moving parts penetrating into the reservoir} |
| Display label | Gas-tight sealings for moving parts penetrating into the reservoir |
| Total patents | 49 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 1 |
| 2017 | 5 |
| 2018 | 8 |
| 2019 | 7 |
| 2020 | 3 |
| 2021 | 9 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Improved compression sealing gasket and sealing system
US-2025305584-A1 · Oct 2, 2025 · US
Insulated earthing switch for an air insulated or mixed switchgear
US-12413053-B2 · Sep 9, 2025 · US
Switching device comprising a bellows
US-2025046549-A1 · Feb 6, 2025 · US
Gas insulating device with anti-liquification means
US-11996251-B2 · May 28, 2024 · US
Insulated earthing switch for an air insulated or mixed switchgear
US-2023396043-A1 · Dec 7, 2023 · US
Sealing for an intermittent and partial rotating and translating shaft
US-11622461-B2 · Apr 4, 2023 · US
Gas insulating device with anti-liquification means
US-2022359138-A1 · Nov 10, 2022 · US
Vacuum circuit breaker
US-11462376-B2 · Oct 4, 2022 · US
Electromechanical actuator and high voltage (HV) switch
US-11282660-B2 · Mar 22, 2022 · US
Vacuum circuit breaker
US-2022013313-A1 · Jan 13, 2022 · US
Sealing for an intermittent and partial rotating and translating shaft
US-2021321523-A1 · Oct 14, 2021 · US
Gas-insulated switchgear
US-2021267080-A1 · Aug 26, 2021 · US
Circuit breaker system with an internal voltage limiter
US-11101646-B2 · Aug 24, 2021 · US
Gas-insulated switching device
US-11095099-B2 · Aug 17, 2021 · US
Switchgear
US-11063410-B2 · Jul 13, 2021 · US
Switchgear
US-2021151963-A1 · May 20, 2021 · US
Gas-insulated switching device
US-2021057890-A1 · Feb 25, 2021 · US
Electromechanical Actuator And High Voltage (HV) Switch
US-2021043400-A1 · Feb 11, 2021 · US
Particle extraction system for an interrupter
US-10910178-B2 · Feb 2, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H33/565?
- CPC H01H33/565 is the Cooperative Patent Classification code for “Gas-tight sealings for moving parts penetrating into the reservoir.”
- How many patents are filed under CPC H01H33/565 (Gas-tight sealings for moving parts penetrating into the reservoir)?
- Our database includes 49 publications tagged with this CPC code.
- Is patent activity under CPC H01H33/565 growing?
- Publication counts under this code: 1 in 2024 vs 4 in 2025 (latest complete years).