• Technology trends
  • Patent search
  • Sign In
  • Sign Up
Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Load children
F21
LIGHTING
Load children
F21S
NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
Load children
45/00
Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
Load children Filter patents View analytics View as hierarchy
F21S45/40
Cooling of lighting devices
Load children Filter patents View analytics View as hierarchy
F21S45/47
Passive cooling, e.g. using fins, thermal conductive elements or openings
Load children Filter patents View analytics View as hierarchy
F21S45/48
with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
Filter patents View analytics View as hierarchy