CPC Main Group
F21L 13/00 Electric lighting devices with built-in electric generators (with solar cells F21L4/00)
Filing statistics
CPC F21L 13/00 belongs to the parent subclass F21L, which recorded 9,086 patent applications worldwide between 2013 and 2023. Annual filings declined from 811 in 2013 to 525 in 2023 (-35%), peaking at 1,148 applications in 2017. The most active applicants in class F21 are VALEO VISION (2,820 applications), SIGNIFY HOLDING (2,374 applications) and KOITO MANUFACTURING COMPANY (1,890 applications).
Source: EPO PATSTAT, worldwide filings
2 direct subcodes
Child Classifications
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- F21L 13/02 with fluid drive
- F21L 13/06 with mechanical drive, e.g. spring
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