Loadbreak bushing
US-2023238737-A1 · Jul 27, 2023 · US
Plug-and-socket contacts
Plug-and-socket contacts · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H1/38 |
| Official title | Plug-and-socket contacts |
| Display label | Plug-and-socket contacts |
| Total patents | 72 |
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 | 8 |
| 2016 | 4 |
| 2017 | 9 |
| 2018 | 9 |
| 2019 | 11 |
| 2020 | 8 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 8 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Switch-Type Power Disconnection Device and Battery Pack Including the Same
US-2022415589-A1 · Dec 29, 2022 · US
Enclosure and optimizations
US-2022209516-A1 · Jun 30, 2022 · US
Electrical contact assembly
US-2022190503-A1 · Jun 16, 2022 · US
Three-position disconnector switch
US-11342140-B2 · May 24, 2022 · US
Three-Position Disconnector Switch
US-2022115195-A1 · Apr 14, 2022 · US
Separable electrical connector with a switching apparatus
US-2021398760-A1 · Dec 23, 2021 · US
Circuit breaker using multiple connectors
US-11056296-B2 · Jul 6, 2021 · US
Three-position disconnector switch
US-2021183597-A1 · Jun 17, 2021 · US
Circuit breaker using multiple connectors
US-2021151268-A1 · May 20, 2021 · US
Contact piece for a high-voltage circuit breaker and method for producing same
US-10991527-B2 · Apr 27, 2021 · US
Switching device
US-10867758-B2 · Dec 15, 2020 · US
Electric closing element
US-10825617-B2 · Nov 3, 2020 · US
Electric Closing Element
US-2020286693-A1 · Sep 10, 2020 · US
Switching device
US-10658132-B2 · May 19, 2020 · US
Solid dielectric deadfront electrical switch assembly
US-10601170-B2 · Mar 24, 2020 · US
Switching device
US-2020083000-A1 · Mar 12, 2020 · US
Switching device
US-2020083001-A1 · Mar 12, 2020 · US
HVDC disconnector
US-10586668-B2 · Mar 10, 2020 · US
Contact assembly for electrically and mechanically connecting a first terminal of a first apparatus to a second terminal of a second apparatus
US-10522303-B2 · Dec 31, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H1/38?
- CPC H01H1/38 is the Cooperative Patent Classification code for “Plug-and-socket contacts.”
- How many patents are filed under CPC H01H1/38 (Plug-and-socket contacts)?
- Our database includes 72 publications tagged with this CPC code.
- Is patent activity under CPC H01H1/38 growing?
- Publication counts under this code: 8 in 2024 vs 1 in 2025 (latest complete years).