Interlock system for an electrical installation
US-10541520-B1 · Jan 21, 2020 · US
Shutters or guards
Shutters or guards · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02B11/24 |
| Official title | Shutters or guards |
| Display label | Shutters or guards |
| Total patents | 102 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 13 |
| 2017 | 13 |
| 2018 | 10 |
| 2019 | 12 |
| 2020 | 15 |
| 2021 | 8 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Motor control center units with retractable stabs and interlocks
US-2019341750-A1 · Nov 7, 2019 · US
Switching device of the withdrawable type
US-10418793-B2 · Sep 17, 2019 · US
Coordinating installation and connection of a motor control center subunit having moveable line contacts
US-2019269028-A1 · Aug 29, 2019 · US
Motor control center (mcc) units with retractable power connector and interlocks including a power connector position interlock
US-2019190240-A1 · Jun 20, 2019 · US
Motor control center units with retractable stabs and interlocks
US-10320162-B2 · Jun 11, 2019 · US
Coordinating installation and connection of a motor control center subunit having moveable line contacts
US-10292290-B2 · May 14, 2019 · US
Motor control center subunit having moveable line contacts and method of manufacture
US-10290438-B2 · May 14, 2019 · US
Passive arc control with sequestered phases in a vertical bus system of a motor control center
US-10256013-B2 · Apr 9, 2019 · US
Cradle for electrical switchgear
US-2019081463-A1 · Mar 14, 2019 · US
Motor control center subunit having moveable line contacts and method of manufacture
US-2019057822-A1 · Feb 21, 2019 · US
Motor control center units with multi-purpose shutter cams and related units
US-10211606-B2 · Feb 19, 2019 · US
Bucket assemblies with electrically grounded front panels for motor control centers and related motor control centers
US-10206293-B2 · Feb 12, 2019 · US
Switchgear
US-10164411-B2 · Dec 25, 2018 · US
Motor control center units with retractable stabs and interlocks
US-2018294628-A1 · Oct 11, 2018 · US
Motor control center subunit having moveable line contacts and method of manufacture
US-10083802-B2 · Sep 25, 2018 · US
A switching device of the withdrawable type
US-2018241183-A1 · Aug 23, 2018 · US
Shutter interlock devices, systems, and methods of use thereof
US-10027096-B2 · Jul 17, 2018 · US
Motor control center units with retractable stabs and interlocks using sliding portal shutters
US-10020642-B2 · Jul 10, 2018 · US
Motor control center units with multi-purpose shutter cams and related units
US-2018152007-A1 · May 31, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02B11/24?
- CPC H02B11/24 is the Cooperative Patent Classification code for “Shutters or guards.”
- How many patents are filed under CPC H02B11/24 (Shutters or guards)?
- Our database includes 102 publications tagged with this CPC code.
- Is patent activity under CPC H02B11/24 growing?
- Publication counts under this code: 5 in 2024 vs 5 in 2025 (latest complete years).