Light source device
US-9557045-B2 · Jan 31, 2017 · US
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Mechanical Engineering
Mechanical Engineering · 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 | F21V29/025 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 8 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2017 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sound adaptive cooling system for a stage light
US-9068734-B2 · Jun 30, 2015 · US
Apparatus, method, and system for lighting fixture cooling
US-9028115-B1 · May 12, 2015 · US
Lighting and ventilating apparatus and method
US-9022622-B2 · May 5, 2015 · US
Lighting and ventilating system and method
US-9004723-B2 · Apr 14, 2015 · US
Lighting system for transparent liquid crystal display
US-8988635-B2 · Mar 24, 2015 · US
Led lamp
US-2015015134-A1 · Jan 15, 2015 · US
LED lamp with active cooling element
US-8931933-B2 · Jan 13, 2015 · US