Fireproof shutter and transport apparatus including the same
US-12448835-B2 · Oct 21, 2025 · US
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Hinged dampers
Hinged dampers · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A62C2/12 |
| Official title | Hinged dampers |
| Display label | Hinged dampers |
| Total patents | 23 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 6 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Actuator device having power spring retention
US-12253067-B2 · Mar 18, 2025 · US
Battery module having structure capable of rapid cooling, and ESS comprising same
US-12211983-B2 · Jan 28, 2025 · US
Ventilation device comprising at least one automatically closing flap, aircraft comprising at least one such ventilation device
US-2024391297-A1 · Nov 28, 2024 · US
Actuator device having power spring retention
US-2024328396-A1 · Oct 3, 2024 · US
System and method for communication of damper position of a safety damper
US-2024167709-A1 · May 23, 2024 · US
Blocking apparatus for a fire damper, blocking apparatus system and method for blocking a drive direction
US-11957943-B2 · Apr 16, 2024 · US
Avionic exhaust air for cooling engine bay
US-11939076-B2 · Mar 26, 2024 · US
Battery module having structure capable of rapid cooling, and ess comprising same
US-2024088469-A1 · Mar 14, 2024 · US
Avionic exhaust air for cooling engine bay
US-2023060791-A1 · Mar 2, 2023 · US
Fireproof shutter and transport apparatus including the same
US-2022186554-A1 · Jun 16, 2022 · US
Fire and smoke actuator with temperature-dependent operating speed
US-11224777-B2 · Jan 18, 2022 · US
Blocking Apparatus for a Fire Damper, Blocking Apparatus System and Method for Blocking a Drive Direction
US-2021353985-A1 · Nov 18, 2021 · US
Wireless damper testing and control system
US-10982876-B2 · Apr 20, 2021 · US
Fire and smoke actuator with temperature-dependent operating speed
US-2020269077-A1 · Aug 27, 2020 · US
Wireless damper testing and control system
US-2020011566-A1 · Jan 9, 2020 · US
Wireless damper testing and control system
US-10415847-B2 · Sep 17, 2019 · US
Fire damper for ventilating fan
US-9868003-B2 · Jan 16, 2018 · US
Fire damper for ventilating fan
US-2017028233-A1 · Feb 2, 2017 · US
Fire damper for ventilating fan
US-9533179-B2 · Jan 3, 2017 · US