Silver electrolyte for depositing dispersion silver layers and contact surfaces with dispersion silver layers
US-12480220-B2 · Nov 25, 2025 · US
containing carbon particles or fibres
containing carbon particles or fibres · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H1/027 |
| Official title | containing carbon particles or fibres |
| Display label | containing carbon particles or fibres |
| Total patents | 43 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 1 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dry Mechanism with Multilayer Coating
US-2025357056-A1 · Nov 20, 2025 · US
Process for Joining Silver-Graphite to Copper Carriers
US-2025214164-A1 · Jul 3, 2025 · US
DC high-voltage relay, and contact material for DC high-voltage relay
US-12340956-B2 · Jun 24, 2025 · US
Brazing Method, Brazed Joint, and Braze
US-2025018489-A1 · Jan 16, 2025 · US
Self-Lubricating Coating, Fabrication Method, and Electrical Contact
US-2024263335-A1 · Aug 8, 2024 · US
Metal-Graphene Coated Electrical Contact
US-2024242901-A1 · Jul 18, 2024 · US
Composite material for electrical contacts and method of producing same
US-2024177944-A1 · May 30, 2024 · US
Composite plated product and method for producing same
US-11920255-B2 · Mar 5, 2024 · US
Terminal plating material, terminal connection structure using terminal plating material, and service plug
US-2023352867-A1 · Nov 2, 2023 · US
Dc high-voltage relay, and contact material for dc high-voltage relay
US-2022328260-A1 · Oct 13, 2022 · US
Composite plated product and method for producing same
US-2022259753-A1 · Aug 18, 2022 · US
Contact material mainly composed of ag alloy, contact using the contact material, and electrical device
US-2022220580-A1 · Jul 14, 2022 · US
Graphene composite material for sliding contact
US-11183344-B2 · Nov 23, 2021 · US
Silver-graphene tungsten material electrical contact tips of a low voltage circuit breaker
US-11114254-B2 · Sep 7, 2021 · US
Silver electrolyte for depositing dispersion silver layers and contact surfaces with dispersion silver layers
US-2021254231-A1 · Aug 19, 2021 · US
Silver-graphene tungsten material electrical contact tips of a low voltage circuit breaker
US-2021249199-A1 · Aug 12, 2021 · US
Electrical contact alloy for vacuum contactors
US-10804044-B2 · Oct 13, 2020 · US
Graphene Composite Material For Sliding Contact
US-2020152399-A1 · May 14, 2020 · US
Methods of making light-weight, low-resistivity transfer materials
US-10553370-B2 · Feb 4, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H1/027?
- CPC H01H1/027 is the Cooperative Patent Classification code for “containing carbon particles or fibres.”
- How many patents are filed under CPC H01H1/027 (containing carbon particles or fibres)?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC H01H1/027 growing?
- Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).