Billboard and Lighting Assembly with Heat Sink
US-2016329005-A1 · Nov 10, 2016 · US
of light sources (cooling arrangements structurally associated with gas-discharge or vapour-discharge lamps H01J61/52; cooling arrangements structurally associated with electric incandescent lamps H01K1/58; cooling arrangements structurally associated with light-emitting diodes H10H20/858)
of light sources (cooling arrangements structurally associated with gas-discharge or vapour-discharge lamps H01J61/52; cooling arrangements structurally associated with electric incandescent lamps H01K1/58; cooling arrangements structurally associated with light-emitting diodes H10H20/858) · 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 | F21V29/503 |
| Official title | of light sources (cooling arrangements structurally associated with gas-discharge or vapour-discharge lamps H01J61/52; cooling arrangements structurally associated with electric incandescent lamps H01K1/58; cooling arrangements structurally associated with light-emitting diodes H10H20/858) |
| Display label | of light sources (cooling arrangements structurally associated with gas-discharge or vapour-discharge lamps H01J61/52; cooling arrangements structurally associated with electric incandescent lamps H01K1/58; cooling arrangements structurally associated with light-emitting diodes H10H20/858) |
| Total patents | 1,081 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 55 |
| 2016 | 115 |
| 2017 | 117 |
| 2018 | 127 |
| 2019 | 159 |
| 2020 | 177 |
| 2021 | 96 |
| 2022 | 61 |
| 2023 | 58 |
| 2024 | 61 |
| 2025 | 48 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Mobile Electronic Device Covering
US-2016315650-A1 · Oct 27, 2016 · US
Flat lighting device
US-2016305615-A1 · Oct 20, 2016 · US
Expanded heat sink for electronic displays
US-9285108-B2 · Mar 15, 2016 · US
Linear lighting device
US-9239150-B2 · Jan 19, 2016 · US
Lighting device
US-9222660-B2 · Dec 29, 2015 · US
Illumination device, exposure apparatus, adjusting method, and method for manufacturing object
US-2015362843-A1 · Dec 17, 2015 · US
Step apparatus for vehicle
US-9211841-B2 · Dec 15, 2015 · US
Modular lighting system
US-9212795-B2 · Dec 15, 2015 · US
Systems, methods, and devices providing a quick-release mechanism for a modular LED light engine
US-9212792-B2 · Dec 15, 2015 · US
Illumination apparatus
US-9194541-B2 · Nov 24, 2015 · US
Lighting Device
US-2015325426-A1 · Nov 12, 2015 · US
Flat lighting device
US-2015316213-A1 · Nov 5, 2015 · US
LED Light Fixture
US-2015316249-A1 · Nov 5, 2015 · US
Light source device and liquid crystal display device
US-2015308675-A1 · Oct 29, 2015 · US
Sepic driver circuit with low input current ripple
US-2015312974-A1 · Oct 29, 2015 · US
Led lamp with led board heat sink
US-2015308628-A1 · Oct 29, 2015 · US
Led lamp
US-2015308630-A1 · Oct 29, 2015 · US
High efficiency driver circuit with fast response
US-2015312983-A1 · Oct 29, 2015 · US
Led lamp with led assembly retention member
US-2015300619-A1 · Oct 22, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F21V29/503?
- CPC F21V29/503 is the Cooperative Patent Classification code for “of light sources (cooling arrangements structurally associated with gas-discharge or vapour-discharge lamps H01J61/52; cooling arrangements structurally associated with electric incandescent lamps H01K1/58; cooling arrangements structurally associated with light-emitting diodes H10H20/858).”
- How many patents are filed under CPC F21V29/503 (of light sources (cooling arrangements structurally associated with gas-discharge or vapour-discharge lamps H01J61/52; cooling arrangements structurally associated with electric incandescent lamps H01K1/58; cooling arrangements structurally associated with light-emitting diodes H10H20/858))?
- Our database includes 1,081 publications tagged with this CPC code.
- Is patent activity under CPC F21V29/503 growing?
- Publication counts under this code: 61 in 2024 vs 48 in 2025 (latest complete years).