Metal contact of a residential circuit breaker including ordered ceramic microparticles
US-11798751-B2 · Oct 24, 2023 · US
by powder-metallurgical processes
by powder-metallurgical processes · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H11/048 |
| Official title | {by powder-metallurgical processes} |
| Display label | by powder-metallurgical processes |
| Total patents | 72 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 5 |
| 2017 | 6 |
| 2018 | 10 |
| 2019 | 10 |
| 2020 | 8 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 9 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
3d printed attachment devices for electronics
US-2023262886-A1 · Aug 17, 2023 · US
Contact assembly for electrical devices and method for making
US-11600454-B2 · Mar 7, 2023 · US
Vacuum circuit breaker with weldable copper switch contacts
US-2023017027-A1 · Jan 19, 2023 · US
Metal contact of a residential circuit breaker including ordered ceramic microparticles
US-2023005673-A1 · Jan 5, 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
Dc high-voltage relay, and contact material for dc high-voltage relay
US-2022328260-A1 · Oct 13, 2022 · US
Electrical contact and vacuum switch tube comprising electrical contact
US-2022254577-A1 · Aug 11, 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-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
Method for Manufacturing an Ag-Based Electrical Contact Material, an Electrical Contact Material and an Electrical Contact Obtained Therewith
US-2021098208-A1 · Apr 1, 2021 · US
Method for Manufacturing a Contact Component, and Contact Component, Vacuum Interrupter and a Switchgear
US-2021053120-A1 · Feb 25, 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
Sintered electrical contact materials
US-10699851-B2 · Jun 30, 2020 · US
Graphene Composite Material For Sliding Contact
US-2020152399-A1 · May 14, 2020 · US
Contact member, method for producing the same, and vacuum interrupter
US-10629397-B2 · Apr 21, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H11/048?
- CPC H01H11/048 is the Cooperative Patent Classification code for “by powder-metallurgical processes.”
- How many patents are filed under CPC H01H11/048 (by powder-metallurgical processes)?
- Our database includes 72 publications tagged with this CPC code.
- Is patent activity under CPC H01H11/048 growing?
- Publication counts under this code: 9 in 2024 vs 3 in 2025 (latest complete years).