Composite material, terminal and method for manufacturing terminal
US-2026098354-A1 · Apr 9, 2026 · US
Co-operating contacts of different material
Co-operating contacts of different 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 | H01H1/04 |
| Official title | Co-operating contacts of different material |
| Display label | Co-operating contacts of different 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 |
|---|---|
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 8 |
| 2019 | 8 |
| 2020 | 12 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 6 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Composite material, method for producing the composite material, and terminal
US-2025277324-A1 · Sep 4, 2025 · US
Electric current switching device
US-2025246377-A1 · Jul 31, 2025 · US
Compact vacuum interrupter
US-12362114-B2 · Jul 15, 2025 · US
Composite plating material and method for producing the same
US-11926917-B2 · Mar 12, 2024 · US
Composite plated product and method for producing same
US-11920255-B2 · Mar 5, 2024 · US
UV-curable contact stabilization coating material for electrical contact surfaces
US-11831097-B2 · Nov 28, 2023 · US
Contact for a vacuum interrupter and production method for such a contact
US-2023368986-A1 · Nov 16, 2023 · US
Compact vacuum interrupter
US-2023360871-A1 · Nov 9, 2023 · US
Method for producing an electrical contact assembly and electrical contact assembly
US-2023317319-A1 · Oct 5, 2023 · US
Contact assembly for electrical devices and method for making
US-11600454-B2 · Mar 7, 2023 · US
Composite plating material and method for producing the same
US-2023046780-A1 · Feb 16, 2023 · US
Composite plated product and method for producing same
US-2022259753-A1 · Aug 18, 2022 · US
Electromagnetic relay to ensure stable energization even when contact is dissolved
US-11373830-B2 · Jun 28, 2022 · US
Contact switch coating
US-2022122784-A1 · Apr 21, 2022 · US
Contact switch coating
US-11309140-B2 · Apr 19, 2022 · US
Electrical normally open contact
US-2022044883-A1 · Feb 10, 2022 · US
Composite plated product and method for producing same
US-11225726-B2 · Jan 18, 2022 · US
Clad material for electric contacts and method for producing the clad material
US-11094478-B2 · Aug 17, 2021 · US
Electrical switch
US-11037739-B2 · Jun 15, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H1/04?
- CPC H01H1/04 is the Cooperative Patent Classification code for “Co-operating contacts of different material.”
- How many patents are filed under CPC H01H1/04 (Co-operating contacts of different material)?
- Our database includes 58 publications tagged with this CPC code.
- Is patent activity under CPC H01H1/04 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).