CPC Main Group
F21V 14/00 Controlling the distribution of the light emitted by adjustment of elements (reflectors with provision for adjusting the curvature F21V7/16; light filters or the like with provision for controlling the colour or intensity F21V9/40; screens using adjustable parallel laminae or strips F21V11/04; screens using iris-type diaphragms F21V11/10; screens using movable sheets without apertures F21V11/18; adjustable mountings for lighting devices F21V21/14)
Filing statistics
CPC F21V 14/00 belongs to the parent subclass F21V, which recorded 193,056 patent applications worldwide between 2013 and 2023. Annual filings declined from 15,472 in 2013 to 11,369 in 2023 (-27%), peaking at 23,632 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
6 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- F21V 14/02 by movement of light sources
- F21V 14/04 by movement of reflectors
- F21V 14/06 by movement of refractors
- F21V 14/08 by movement of the screens
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