Switch device for hazardous voltage interlockloop
US-2026058418-A1 · Feb 26, 2026 · US
Contacts adapted to act as latches
Contacts adapted to act as latches · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H1/52 |
| Official title | Contacts adapted to act as latches |
| Display label | Contacts adapted to act as latches |
| Total patents | 31 |
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 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Side break air switch with anti-rolling blade lock
US-2025292979-A1 · Sep 18, 2025 · US
Side break air switch with anti-rolling blade lock
US-12322561-B2 · Jun 3, 2025 · US
Short-circuiting device, converter and short-circuiting method
US-11990296-B2 · May 21, 2024 · US
Damper and latching assemblies for electrical switching devices
US-11657986-B2 · May 23, 2023 · US
Circuit interrupter
US-11594383-B2 · Feb 28, 2023 · US
Damper and latching assemblies for electrical switching devices
US-2023024766-A1 · Jan 26, 2023 · US
Inertial short-circuit and seismic hook
US-11527368-B2 · Dec 13, 2022 · US
Side break air switch with anti-rolling blade lock
US-2022359137-A1 · Nov 10, 2022 · US
Side break air switch with anti-rolling blade lock
US-11398360-B2 · Jul 26, 2022 · US
Short-circuiting device, converter and short-circuiting method
US-2022037096-A1 · Feb 3, 2022 · US
Circuit interrupter
US-2021057172-A1 · Feb 25, 2021 · US
Side break air switch with anti-rolling blade lock
US-2021027959-A1 · Jan 28, 2021 · US
Inertial short-circuit and seismic hook
US-2021027957-A1 · Jan 28, 2021 · US
Inertial short-circuit and seismic hook
US-10892114-B2 · Jan 12, 2021 · US
Electric closing element
US-10825617-B2 · Nov 3, 2020 · US
Side break air switch with anti-rolling blade lock
US-10804055-B2 · Oct 13, 2020 · US
Electric Closing Element
US-2020286693-A1 · Sep 10, 2020 · US
Inertial short-circuit and seismic hook
US-2020227214-A1 · Jul 16, 2020 · US
Locking structure of switch device
US-10622168-B2 · Apr 14, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H1/52?
- CPC H01H1/52 is the Cooperative Patent Classification code for “Contacts adapted to act as latches.”
- How many patents are filed under CPC H01H1/52 (Contacts adapted to act as latches)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC H01H1/52 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).