Circuit breaker system and safety operating handle for a circuit breaker system
US-2017372856-A1 · Dec 28, 2017 · US
for interlocking between casing, cover, or protective shutter and mechanism for operating contacts {(explosion-proof cases H01H9/045; built-in fuses and interlocking mechanisms H01H9/104; by automatic release of circuit breakers H01H71/126)}
for interlocking between casing, cover, or protective shutter and mechanism for operating contacts {(explosion-proof cases H01H9/045; built-in fuses and interlocking mechanisms H01H9/104; by automatic release of circuit breakers H01H71/126)} · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H9/22 |
| Official title | for interlocking between casing, cover, or protective shutter and mechanism for operating contacts {(explosion-proof cases H01H9/045; built-in fuses and interlocking mechanisms H01H9/104; by automatic release of circuit breakers H01H71/126)} |
| Display label | for interlocking between casing, cover, or protective shutter and mechanism for operating contacts {(explosion-proof cases H01H9/045; built-in fuses and interlocking mechanisms H01H9/104; by automatic release of circuit breakers H01H71/126)} |
| Total patents | 262 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 29 |
| 2016 | 22 |
| 2017 | 27 |
| 2018 | 35 |
| 2019 | 39 |
| 2020 | 26 |
| 2021 | 18 |
| 2022 | 19 |
| 2023 | 18 |
| 2024 | 16 |
| 2025 | 12 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Panel device
US-9852866-B2 · Dec 26, 2017 · US
Motor control center unit disconnect with interlocks
US-9805881-B2 · Oct 31, 2017 · US
Operation stopping switch for an electronic device
US-2017271105-A1 · Sep 21, 2017 · US
Remote control device for an electrical device in an electrical enclosure
US-2017243701-A1 · Aug 24, 2017 · US
Machine tool switching device
US-9659720-B2 · May 23, 2017 · US
Interlock device of ring main unit
US-9620304-B2 · Apr 11, 2017 · US
One axis shutter with a pin-based bus system for miniature circuit breaker load centers
US-9564741-B1 · Feb 7, 2017 · US
Safety Switches for Live Voltage Separation
US-2017004940-A1 · Jan 5, 2017 · US
Compact plug and socket unit isolator systems for motor control centers (mcc) and related mcc cabinets
US-2016372874-A1 · Dec 22, 2016 · US
Shutter device for an electrical switchgear panel, and related switchgear panel
US-9515462-B2 · Dec 6, 2016 · US
Compact plug and socket unit isolator systems for motor control centers (MCC) and related MCC cabinets
US-9460881-B1 · Oct 4, 2016 · US
Methods and Apparatuses for Switching State
US-2016258646-A1 · Sep 8, 2016 · US
Electrical enclosure and guard assembly therefor
US-9425588-B2 · Aug 23, 2016 · US
Motor control center unit disconnect with interlocks
US-2016233033-A1 · Aug 11, 2016 · US
Interlock device of ring main unit
US-2016217942-A1 · Jul 28, 2016 · US
Spring loaded, bistable connect/disconnect for mcc unit
US-2016218491-A1 · Jul 28, 2016 · US
Method for mounting current sensors
US-9397484-B2 · Jul 19, 2016 · US
Switch assembly for disconnect operator
US-9390868-B2 · Jul 12, 2016 · US
Image Forming Apparatus
US-2016187839-A1 · Jun 30, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H9/22?
- CPC H01H9/22 is the Cooperative Patent Classification code for “for interlocking between casing, cover, or protective shutter and mechanism for operating contacts {(explosion-proof cases H01H9/045; built-in fuses and interlocking mechanisms H01H9/104; by automatic release of circuit breakers H01H71/126)}.”
- How many patents are filed under CPC H01H9/22 (for interlocking between casing, cover, or protective shutter and mechanism for operating contacts {(explosion-proof cases H01H9/045; built-in fuses and interlocking mechanisms H01H9/104; by automatic release of circuit breakers H01H71/126)})?
- Our database includes 262 publications tagged with this CPC code.
- Is patent activity under CPC H01H9/22 growing?
- Publication counts under this code: 16 in 2024 vs 12 in 2025 (latest complete years).