Electrical contact apparatus, assemblies, and methods of operation
US-2018374667-A1 · Dec 27, 2018 · US
Electromagnetic mechanisms
Electromagnetic mechanisms · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H71/24 |
| Official title | Electromagnetic mechanisms |
| Display label | Electromagnetic mechanisms |
| Total patents | 161 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 14 |
| 2017 | 24 |
| 2018 | 24 |
| 2019 | 26 |
| 2020 | 19 |
| 2021 | 5 |
| 2022 | 16 |
| 2023 | 7 |
| 2024 | 9 |
| 2025 | 10 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Circuit interrupter with ground fault self-test and associated method
US-2018366291-A1 · Dec 20, 2018 · US
Methods and apparatus to disable a trip circuit during self test in ground fault circuit interrupters
US-2018323605-A1 · Nov 8, 2018 · US
Modular electrical wiring device system
US-10103530-B2 · Oct 16, 2018 · US
Movable contact assembly for circuit breaker
US-2018294122-A1 · Oct 11, 2018 · US
Magnetic trip device for circuit breaker
US-2018269021-A1 · Sep 20, 2018 · US
Monitoring and responding to an abnormal condition associated with energizing of poles of a circuit breaker
US-10079122-B2 · Sep 18, 2018 · US
3 Phase Undervoltage Trip Device and Molded Case Circuit Breaker Therewith
US-2018190444-A1 · Jul 5, 2018 · US
Magnetic trip device for circuit breaker
US-2018190463-A1 · Jul 5, 2018 · US
Power system and method of forming the same
US-2018138688-A1 · May 17, 2018 · US
Modular push switch mechanism
US-2018115142-A1 · Apr 26, 2018 · US
Ground fault circuit interrupter
US-2018109102-A1 · Apr 19, 2018 · US
Electrical switching apparatus, and movable arm assembly and movable arm therefor
US-9941085-B2 · Apr 10, 2018 · US
Thomson coil based actuator
US-9911562-B2 · Mar 6, 2018 · US
Self-resetting biasing devices for current limiting circuit breaker trip systems
US-9899176-B2 · Feb 20, 2018 · US
Operating mechanism for tripping a voltage circuit breaker
US-2018005775-A1 · Jan 4, 2018 · US
Modular push switch mechanism
US-9853429-B2 · Dec 26, 2017 · US
Instant trip mechanism for molded case circuit breaker
US-9837234-B2 · Dec 5, 2017 · US
Modular circuit breaker and method of assembling
US-2017338072-A1 · Nov 23, 2017 · US
Self-resetting biasing devices for current limiting circuit breaker trip systems
US-2017294282-A1 · Oct 12, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H71/24?
- CPC H01H71/24 is the Cooperative Patent Classification code for “Electromagnetic mechanisms.”
- How many patents are filed under CPC H01H71/24 (Electromagnetic mechanisms)?
- Our database includes 161 publications tagged with this CPC code.
- Is patent activity under CPC H01H71/24 growing?
- Publication counts under this code: 9 in 2024 vs 10 in 2025 (latest complete years).