Direct current relay
US-12494334-B2 · Dec 9, 2025 · US
having permanent magnets directly associated with the contacts
having permanent magnets directly associated with the contacts · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H2001/545 |
| Official title | {having permanent magnets directly associated with the contacts} |
| Display label | having permanent magnets directly associated with the contacts |
| Total patents | 29 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Direct-current contactor, power distribution box, power battery assembly, and vehicle
US-12476059-B2 · Nov 18, 2025 · US
Actuator, electric motor and associated method
US-12355313-B2 · Jul 8, 2025 · US
Switch and on-load tap changer with a switch
US-2024079189-A1 · Mar 7, 2024 · US
Actuator, electric motor and associated method
US-2023223823-A1 · Jul 13, 2023 · US
Direct-current contactor, power distribution box, power battery assembly, and vehicle
US-2023223222-A1 · Jul 13, 2023 · US
Actuator, electric motor and associated method
US-11641148-B2 · May 2, 2023 · US
Direct current relay
US-2022223362-A1 · Jul 14, 2022 · US
Hydraulic switch and hydraulic brake system
US-11338787-B2 · May 24, 2022 · US
Switch
US-11205546-B2 · Dec 21, 2021 · US
Contact device, electromagnetic relay, and electrical device
US-2021375569-A1 · Dec 2, 2021 · US
Electromagnetic drive for a power circuit-breaker with a vacuum interrupter
US-2021350989-A1 · Nov 11, 2021 · US
Relay
US-10811205-B2 · Oct 20, 2020 · US
Switch
US-2020203094-A1 · Jun 25, 2020 · US
Actuator, electric motor and associated method
US-2020112235-A1 · Apr 9, 2020 · US
Hydraulic switch and hydraulic brake system
US-2019348239-A1 · Nov 14, 2019 · US
Permanent magnet contactor
US-10269520-B2 · Apr 23, 2019 · US
Permanent magnet contactor
US-2019051481-A1 · Feb 14, 2019 · US
Relay
US-2018240631-A1 · Aug 23, 2018 · US
Contact switching device
US-10026577-B2 · Jul 17, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H2001/545?
- CPC H01H2001/545 is the Cooperative Patent Classification code for “having permanent magnets directly associated with the contacts.”
- How many patents are filed under CPC H01H2001/545 (having permanent magnets directly associated with the contacts)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC H01H2001/545 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).