Magnetic trip device for circuit breaker
US-2018269021-A1 · Sep 20, 2018 · US
Automatic release mechanisms with or without manual release
Automatic release mechanisms with or without manual release · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H71/12 |
| Official title | Automatic release mechanisms with or without manual release |
| Display label | Automatic release mechanisms with or without manual release |
| Total patents | 224 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 21 |
| 2017 | 22 |
| 2018 | 22 |
| 2019 | 37 |
| 2020 | 22 |
| 2021 | 17 |
| 2022 | 16 |
| 2023 | 17 |
| 2024 | 13 |
| 2025 | 21 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Switchgear for an electric current with separable electrical contacts and with air switching
US-2018240632-A1 · Aug 23, 2018 · US
Electrical switching apparatus comprising a switching mechanism and at least one auxiliary module
US-10020155-B2 · Jul 10, 2018 · US
Safety apparatus and protection method of secondary battery for electric vehicle using switch
US-9865863-B2 · Jan 9, 2018 · US
Motor relay with integrated arc-flash detection
US-9831659-B2 · Nov 28, 2017 · US
Circuit breaker with interference fit socket
US-2017330717-A1 · Nov 16, 2017 · US
Whip and loop interrupter combination
US-2017317486-A1 · Nov 2, 2017 · US
Integral contact socket for plug-in circuit breakers
US-2017301499-A1 · Oct 19, 2017 · US
Self-resetting biasing devices for current limiting circuit breaker trip systems
US-2017294282-A1 · Oct 12, 2017 · US
Ground fault circuit interrupter (GFCI) system and method
US-9786460-B2 · Oct 10, 2017 · US
Circuit breaker having equalized poles
US-9779903-B2 · Oct 3, 2017 · US
Force amplification module for an electrical switching device, unit comprising force amplification module and shunt release, as well as electrical switching device
US-9767977-B2 · Sep 19, 2017 · US
Break away door, trip unit and circuit breaker assembly including same
US-2017234047-A1 · Aug 17, 2017 · US
Structure of crossbar for manual motor starter
US-9734959-B2 · Aug 15, 2017 · US
Switching device for lv electric installations
US-2017229261-A1 · Aug 10, 2017 · US
A switching device for a mv electric power distribution network
US-2017194111-A1 · Jul 6, 2017 · US
Circuit interrupter with wireless unit, communication system including the same and associated method
US-9679730-B2 · Jun 13, 2017 · US
Break away door, trip unit and circuit breaker assembly including same
US-9679732-B2 · Jun 13, 2017 · US
Cradle assist devices and related kits and methods
US-2017155234-A1 · Jun 1, 2017 · US
Electrical switching apparatus comprising a switching mechanism and at least one auxiliary module
US-2017110278-A1 · Apr 20, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H71/12?
- CPC H01H71/12 is the Cooperative Patent Classification code for “Automatic release mechanisms with or without manual release.”
- How many patents are filed under CPC H01H71/12 (Automatic release mechanisms with or without manual release)?
- Our database includes 224 publications tagged with this CPC code.
- Is patent activity under CPC H01H71/12 growing?
- Publication counts under this code: 13 in 2024 vs 21 in 2025 (latest complete years).