CPC Subgroup
F21V 29/80 with pins or wires
Full Title
Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems (lighting fixtures combined with outlets for air-treatment systems F24F13/078) > Cooling arrangements (air-treatment systems dissipating or using the heat of lighting fixtures F24F3/056) > characterised by passive heat-dissipating elements, e.g. heat-sinks > with pins or wires
1 direct subcode
Child Classifications
Navigate with arrow keys, Enter to open
- F21V 29/81 with pins or wires having different shapes, lengths or spacing
Top Applicants
Top 10 applicants by patent filingsfor class F21, 2013–2023, worldwide · Source: EPO PATSTAT
- VALEO VISION FR 2,820
- SIGNIFY HOLDING NL 2,374
- KOITO MANUFACTURING COMPANY JP 1,890
- KOITO MANUFACTURING COMPANY 1,722
- LG INNOTEK COMPANY KR 1,624
- OSRAM DE 1,507
- LG ELECTRONICS KR 1,458
- PANASONIC INTELLECTUAL PROPERTY JP 1,433
- ZUMTOBEL LIGHTING AT 1,349
- PANASONIC INTELLECTUAL PROPERTY 1,275