Vehicle headlamp
US-10101580-B2 · Oct 16, 2018 · US
the fans being used for intake
the fans being used for intake · 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 | F21V29/673 |
| Official title | {the fans being used for intake} |
| Display label | the fans being used for intake |
| Total patents | 136 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 19 |
| 2016 | 17 |
| 2017 | 18 |
| 2018 | 12 |
| 2019 | 21 |
| 2020 | 13 |
| 2021 | 8 |
| 2022 | 11 |
| 2023 | 3 |
| 2024 | 6 |
| 2025 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cooling module for LED light fixture
US-10072834-B2 · Sep 11, 2018 · US
LED strobe light with visual effects
US-9995456-B2 · Jun 12, 2018 · US
Stage lighting fixture thermal system capable of dynamically adjusting air flow delivery
US-2018142877-A1 · May 24, 2018 · US
Method of cooling full display mirror
US-2018067279-A1 · Mar 8, 2018 · US
Solid state lights with cooling structures
US-2018031224-A1 · Feb 1, 2018 · US
Heat exchanger for back to back electronics displays
US-9835893-B2 · Dec 5, 2017 · US
Light source device, illumination device and projector
US-9817303-B2 · Nov 14, 2017 · US
Solid state lights with cooling structures
US-9810418-B2 · Nov 7, 2017 · US
Light source unit and cooling method of the light source unit
US-2017307199-A1 · Oct 26, 2017 · US
Motor vehicle lighting device comprising light modules cooled by means of a generator of an air flow
US-2017254501-A1 · Sep 7, 2017 · US
Heat sink for forced convection cooler
US-2017219198-A1 · Aug 3, 2017 · US
Light source apparatus and projector
US-2017205694-A1 · Jul 20, 2017 · US
Dust prevention and heat dissipation module and light source system of colour wheel
US-2017184297-A1 · Jun 29, 2017 · US
Light source device, illumination device and projector
US-2017184949-A1 · Jun 29, 2017 · US
Headlight with an led light source
US-2017167712-A1 · Jun 15, 2017 · US
Vehicle headlamp
US-2017160542-A1 · Jun 8, 2017 · US
Lighting device and luminaire
US-9671101-B2 · Jun 6, 2017 · US
Motor vehicle headlight lighting module and associated headlight
US-2017153002-A1 · Jun 1, 2017 · US
Light source apparatus and image display apparatus
US-2017075201-A1 · Mar 16, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F21V29/673?
- CPC F21V29/673 is the Cooperative Patent Classification code for “the fans being used for intake.”
- How many patents are filed under CPC F21V29/673 (the fans being used for intake)?
- Our database includes 136 publications tagged with this CPC code.
- Is patent activity under CPC F21V29/673 growing?
- Publication counts under this code: 6 in 2024 vs 8 in 2025 (latest complete years).