Lighting device for a vehicle headlamp
US-12146635-B2 · Nov 19, 2024 · US
Forced cooling
Forced cooling · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F21S45/42 |
| Official title | Forced cooling |
| Display label | Forced cooling |
| Total patents | 48 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 3 |
| 2017 | 7 |
| 2018 | 5 |
| 2019 | 8 |
| 2020 | 2 |
| 2021 | 5 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Lamp for vehicle
US-11940111-B2 · Mar 26, 2024 · US
High beam and low beam switching device, vehicle lamp and vehicle
US-11745644-B2 · Sep 5, 2023 · US
Lighting Device for a Vehicle Headlamp
US-2023147387-A1 · May 11, 2023 · US
Device and method for controlling heat dissipation of LED lamp for vehicle
US-11644176-B2 · May 9, 2023 · US
Headlight with an air duct, headlight unit, and motor vehicle
US-11573001-B2 · Feb 7, 2023 · US
Lighting device for a vehicle and vehicle
US-11530794-B2 · Dec 20, 2022 · US
High beam and low beam switching device, vehicle lamp and vehicle
US-2022266745-A1 · Aug 25, 2022 · US
Lamp for vehicle
US-2022243886-A1 · Aug 4, 2022 · US
Device and Method for Controlling Heat Dissipation of LED Lamp for Vehicle
US-2022163184-A1 · May 26, 2022 · US
Lighting apparatus for vehicle having a screen and projection unit
US-11306890-B2 · Apr 19, 2022 · US
Headlight with an air duct, headlight unit, and motor vehicle
US-2022034476-A1 · Feb 3, 2022 · US
Lighting device for a vehicle and vehicle
US-2022034475-A1 · Feb 3, 2022 · US
Vehicle lamp
US-11105483-B2 · Aug 31, 2021 · US
Light device for a motor vehicle
US-11098873-B2 · Aug 24, 2021 · US
Lighting apparatus for vehicle
US-2021254806-A1 · Aug 19, 2021 · US
Light device for a motor vehicle
US-2021080073-A1 · Mar 18, 2021 · US
Vehicle lamp
US-2021025559-A1 · Jan 28, 2021 · US
Vehicular lamp
US-10746371-B2 · Aug 18, 2020 · US
Lamp unit
US-2020149702-A1 · May 14, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F21S45/42?
- CPC F21S45/42 is the Cooperative Patent Classification code for “Forced cooling.”
- How many patents are filed under CPC F21S45/42 (Forced cooling)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC F21S45/42 growing?
- Publication counts under this code: 4 in 2023 vs 2 in 2024 (latest complete years).