Ag-plated material, method for producing Ag-plated material, and electrical component
US-12497707-B2 · Dec 16, 2025 · US
Composite material
Composite material · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H1/021 |
| Official title | Composite material |
| Display label | Composite material |
| Total patents | 58 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 2 |
| 2017 | 6 |
| 2018 | 6 |
| 2019 | 11 |
| 2020 | 7 |
| 2021 | 7 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Mechanism for electrical device
US-12500046-B2 · Dec 16, 2025 · US
Dry Mechanism with Multilayer Coating
US-2025357056-A1 · Nov 20, 2025 · US
Electrical switch arrangement for reducing arc energy and erosion in a contact system
US-2025006438-A1 · Jan 2, 2025 · US
Contact part and relay
US-2024395488-A1 · Nov 28, 2024 · US
Graphene-copper coated electrical contact
US-2024242900-A1 · Jul 18, 2024 · US
Ag-plated material, method for producing ag-plated material, and electrical component
US-2024026558-A1 · Jan 25, 2024 · US
Contact assembly for electrical devices and method for making
US-11600454-B2 · Mar 7, 2023 · US
Mechanism For Electrical Device
US-2023010590-A1 · Jan 12, 2023 · US
Current path part for an electric switching device
US-11527366-B2 · Dec 13, 2022 · US
Relay contactor with combined linear and rotation motion
US-11527375-B2 · Dec 13, 2022 · US
Graphene composite material for sliding contact
US-11183344-B2 · Nov 23, 2021 · US
Low voltage circuit breaker
US-11152179-B2 · Oct 19, 2021 · US
Rivet-type contact and method for manufacturing the same
US-11145478-B2 · Oct 12, 2021 · US
Silver-graphene tungsten material electrical contact tips of a low voltage circuit breaker
US-11114254-B2 · Sep 7, 2021 · US
Silver-graphene tungsten material electrical contact tips of a low voltage circuit breaker
US-2021249199-A1 · Aug 12, 2021 · US
Relay contactor with combined linear and rotation motion
US-2021210298-A1 · Jul 8, 2021 · US
Hydrogel network
US-10978218-B2 · Apr 13, 2021 · US
Current path part for an electric switching device
US-2020402731-A1 · Dec 24, 2020 · US
Contact pin for an electric switch, electric switch with said type of contact pin and method for producing said type of contact pin
US-10861661-B2 · Dec 8, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H1/021?
- CPC H01H1/021 is the Cooperative Patent Classification code for “Composite material.”
- How many patents are filed under CPC H01H1/021 (Composite material)?
- Our database includes 58 publications tagged with this CPC code.
- Is patent activity under CPC H01H1/021 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).