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CPC Subgroup
F21L 14/04

carried on wheeled supports

Full Title

Electric lighting devices without a self-contained power source, e.g. for mains connection > carried on wheeled supports

Filing statistics

CPC F21L 14/04 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

Top Applicants

Top 10 applicants by patent filingsfor class F21, 2013–2023, worldwide · Source: EPO PATSTAT

  1. VALEO VISION FR 2,820
  2. SIGNIFY HOLDING NL 2,374
  3. KOITO MANUFACTURING COMPANY JP 1,890
  4. KOITO MANUFACTURING COMPANY 1,722
  5. LG INNOTEK COMPANY KR 1,624
  6. OSRAM DE 1,507
  7. LG ELECTRONICS KR 1,458
  8. PANASONIC INTELLECTUAL PROPERTY JP 1,433
  9. ZUMTOBEL LIGHTING AT 1,349
  10. PANASONIC INTELLECTUAL PROPERTY 1,275