Led luminaire having enhanced thermal management
US-2017227208-A1 · Aug 10, 2017 · US
of electrical circuits
of electrical circuits · 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 | F21V29/508 |
| Official title | of electrical circuits |
| Display label | of electrical circuits |
| Total patents | 496 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 19 |
| 2016 | 37 |
| 2017 | 29 |
| 2018 | 50 |
| 2019 | 66 |
| 2020 | 127 |
| 2021 | 43 |
| 2022 | 22 |
| 2023 | 26 |
| 2024 | 45 |
| 2025 | 25 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Laser power-supply device that controls a plurality of light-emitting elements
US-2017163006-A1 · Jun 8, 2017 · US
Lighting device
US-9657934-B2 · May 23, 2017 · US
Integrated ceiling device with mechanical arrangement for a light source
US-2017045215-A1 · Feb 16, 2017 · US
Led tube lamp
US-2016341414-A1 · Nov 24, 2016 · US
Modular Lighting System
US-9494309-B2 · Nov 15, 2016 · US
Lighting device with fan directed airflow and air filtering
US-9478406-B2 · Oct 25, 2016 · US
Air cooling of electronic driver in a lighting device
US-9464799-B2 · Oct 11, 2016 · US
Facade light comprising light-emitting diodes
US-9464766-B2 · Oct 11, 2016 · US
Integrated ceiling device with mechanical arrangement for a light source
US-9441634-B2 · Sep 13, 2016 · US
Multi-part heat exchanger for LED lamps
US-9435525-B1 · Sep 6, 2016 · US
Lighting apparatus
US-9429295-B2 · Aug 30, 2016 · US
Operatory lights and replacement bulbs for operatory lights
US-2016245495-A1 · Aug 25, 2016 · US
Led lamp with rearward extending heatsink
US-2016238229-A1 · Aug 18, 2016 · US
Mechanically conformable micro-heat exchangers and methods for use in thermal management of target components
US-2016231071-A1 · Aug 11, 2016 · US
Lighting device
US-2016223142-A1 · Aug 4, 2016 · US
Led tube lamp
US-2016215936-A1 · Jul 28, 2016 · US
Integrated ceiling device with mechanical arrangement for a light source
US-2016215968-A1 · Jul 28, 2016 · US
Led illumination device
US-2016215969-A1 · Jul 28, 2016 · US
Integrated ceiling device with mechanical arrangement for a light source
US-2016219668-A1 · Jul 28, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F21V29/508?
- CPC F21V29/508 is the Cooperative Patent Classification code for “of electrical circuits.”
- How many patents are filed under CPC F21V29/508 (of electrical circuits)?
- Our database includes 496 publications tagged with this CPC code.
- Is patent activity under CPC F21V29/508 growing?
- Publication counts under this code: 45 in 2024 vs 25 in 2025 (latest complete years).