Mechanical latching device of electromagnetic contactor
US-11810743-B2 · Nov 7, 2023 · US
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for interlocking between casing or cover and mechanism for operating contacts
for interlocking between casing or cover and mechanism for operating 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 | H01H33/48 |
| Official title | for interlocking between casing or cover and mechanism for operating contacts |
| Display label | for interlocking between casing or cover and mechanism for operating contacts |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2023 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Mechanical latching system kit for a medium voltage contactor
US-11640887-B2 · May 2, 2023 · US
Mechanical latching device of electromagnetic contactor
US-2023005690-A1 · Jan 5, 2023 · US
Switchgear
US-2020287362-A1 · Sep 10, 2020 · US
Mechanical latching system kit for a medium voltage contactor
US-2020176204-A1 · Jun 4, 2020 · US
Circuit breaker including rotary handle
US-10361053-B2 · Jul 23, 2019 · US
Circuit breaker including rotary handle
US-2018114661-A1 · Apr 26, 2018 · US
Panel device
US-9852866-B2 · Dec 26, 2017 · US
Door interlock device for vacuum circuit breaker
US-9685282-B2 · Jun 20, 2017 · US
Interlock apparatus of vacuum circuit breaker
US-9679722-B2 · Jun 13, 2017 · US
Interlock device of ring main unit
US-9620304-B2 · Apr 11, 2017 · US
Interlock device of ring main unit
US-2016217942-A1 · Jul 28, 2016 · US
Panel device
US-2016189902-A1 · Jun 30, 2016 · US
Interlock apparatus of vacuum circuit breaker
US-2016126036-A1 · May 5, 2016 · US
Door interlock device for vacuum circuit breaker
US-2016126028-A1 · May 5, 2016 · US
Circuit breaker bail mechanism
US-9218928-B2 · Dec 22, 2015 · US
Safety shutter of vacuum circuit breaker
US-9123488-B2 · Sep 1, 2015 · US
Safety shutter of vacuum circuit breaker
US-2015179374-A1 · Jun 25, 2015 · US
Circuit breaker operating system
US-2015129554-A1 · May 14, 2015 · US
Variable depth circuit interrupter assembly with interlock
US-8927887-B2 · Jan 6, 2015 · US