Graphene composite material for sliding contact
US-11183344-B2 · Nov 23, 2021 · US
having copper as the basic material
having copper as the basic 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 | H01H1/025 |
| Official title | having copper as the basic material |
| Display label | having copper as the basic material |
| Total patents | 87 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 4 |
| 2017 | 10 |
| 2018 | 8 |
| 2019 | 8 |
| 2020 | 14 |
| 2021 | 6 |
| 2022 | 9 |
| 2023 | 7 |
| 2024 | 5 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Silver-plated product and method for producing same
US-11142839-B2 · Oct 12, 2021 · US
Clad material for electric contacts and method for producing the clad material
US-11094478-B2 · Aug 17, 2021 · US
Electric contact and vacuum interrupter using same
US-11066731-B2 · Jul 20, 2021 · US
Electrical contact material, method of producing an electrical contact material, and terminal
US-10998108-B2 · May 4, 2021 · US
Method for Manufacturing a Contact Component, and Contact Component, Vacuum Interrupter and a Switchgear
US-2021053120-A1 · Feb 25, 2021 · US
Progressively contacting switch
US-10879023-B1 · Dec 29, 2020 · US
Switching Device
US-2020402732-A1 · Dec 24, 2020 · US
Progressively contacting switch
US-2020395179-A1 · Dec 17, 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
Electrical contact alloy for vacuum contactors
US-10804044-B2 · Oct 13, 2020 · US
Method for manufacturing electrode material
US-10766069-B2 · Sep 8, 2020 · US
Electric contact and vacuum interrupter using same
US-2020277688-A1 · Sep 3, 2020 · US
Composite plated product and method for producing same
US-2020232110-A1 · Jul 23, 2020 · US
Contact switch coating
US-2020219670-A1 · Jul 9, 2020 · US
Graphene Composite Material For Sliding Contact
US-2020152399-A1 · May 14, 2020 · US
Method for manufacturing electrode material and electrode material
US-10614969-B2 · Apr 7, 2020 · US
Silver-plated product and method for producing same
US-2020048785-A1 · Feb 13, 2020 · US
Contact assembly for electrical devices and method for making
US-2020043675-A1 · Feb 6, 2020 · US
Electrical contact alloy for vacuum contactors
US-2020027668-A1 · Jan 23, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H1/025?
- CPC H01H1/025 is the Cooperative Patent Classification code for “having copper as the basic material.”
- How many patents are filed under CPC H01H1/025 (having copper as the basic material)?
- Our database includes 87 publications tagged with this CPC code.
- Is patent activity under CPC H01H1/025 growing?
- Publication counts under this code: 5 in 2024 vs 6 in 2025 (latest complete years).