Energy harvesting module
US-2026081433-A1 · Mar 19, 2026 · US
Power arrangements internal to the switch for operating the driving mechanism
Power arrangements internal to the switch for operating the driving mechanism · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H33/28 |
| Official title | Power arrangements internal to the switch for operating the driving mechanism |
| Display label | Power arrangements internal to the switch for operating the driving mechanism |
| Total patents | 55 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 4 |
| 2019 | 11 |
| 2020 | 5 |
| 2021 | 7 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Drive power supply for mechanical switch, power supply device, and method for diagnosing degradation
US-2026018357-A1 · Jan 15, 2026 · US
Distribution line voltage harvester
US-2025279253-A1 · Sep 4, 2025 · US
Solid state hybrid circuit breaker topology using dual ultrafast opening contacts
US-2025273416-A1 · Aug 28, 2025 · US
Thermoelectric tripping device and coupling arrangement thereof
US-12370395-B2 · Jul 29, 2025 · US
Medium voltage switching apparatus
US-12293888-B2 · May 6, 2025 · US
Actuating device
US-2025112010-A1 · Apr 3, 2025 · US
High-voltage circuit breaker system
US-12014890-B2 · Jun 18, 2024 · US
Switch for MV or HV traction line test device
US-12009165-B2 · Jun 11, 2024 · US
Medium voltage switching apparatus
US-2023368992-A1 · Nov 16, 2023 · US
Electric switching device for a railway vehicle and railway vehicle comprising such a device
US-11772494-B2 · Oct 3, 2023 · US
High-voltage circuit breaker system
US-2022189722-A1 · Jun 16, 2022 · US
Switch for MV or HV Traction Line Test Device
US-2022139650-A1 · May 5, 2022 · US
Vacuum interrupter
US-11282661-B2 · Mar 22, 2022 · US
Earthing module
US-11271375-B2 · Mar 8, 2022 · US
Circuit interrupter
US-11264192-B2 · Mar 1, 2022 · US
Earthing module
US-2021376579-A1 · Dec 2, 2021 · US
Air circuit breaker
US-11183352-B2 · Nov 23, 2021 · US
Thermoelectric tripping device and coupling arrangement thereof
US-2021285681-A1 · Sep 16, 2021 · US
Automatic disconnection mechanism for switches
US-2021183590-A1 · Jun 17, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H33/28?
- CPC H01H33/28 is the Cooperative Patent Classification code for “Power arrangements internal to the switch for operating the driving mechanism.”
- How many patents are filed under CPC H01H33/28 (Power arrangements internal to the switch for operating the driving mechanism)?
- Our database includes 55 publications tagged with this CPC code.
- Is patent activity under CPC H01H33/28 growing?
- Publication counts under this code: 2 in 2024 vs 5 in 2025 (latest complete years).