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)

Introduced: January 2000

Title

Titles differ between systems:

IPC: Controlling the distribution of the light emitted by adjustment of elements

CPC: 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)

Full Title

Full titles differ between systems:

IPC:

Controlling the distribution of the light emitted by adjustment of elements

CPC:

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)

Of 6 combined children, 4 exist in both systems.

2 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2000.

Child Classifications

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F21V 14/003 CPC only CPC only
F21V 14/006 CPC only CPC only
F21V 14/02 by movement of light sources since 2000 +1 CPC IPC+CPC Available in IPC and CPC
F21V 14/04 by movement of reflectors since 2000 +1 CPC IPC+CPC Available in IPC and CPC
F21V 14/06 by movement of refractors since 2000 +1 CPC IPC+CPC Available in IPC and CPC
F21V 14/08 by movement of the screens since 2000 +1 CPC IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class F21,2013–2023, worldwide · Source: EPO PATSTAT

PANASONIC INTELLECTUAL PROPERTY 3,883
VALEO VISION FR 2,797
KOITO MANUFACTURING COMPANY 2,531
OPPLE LIGHTING COMPANY 2,343
SIGNIFY HOLDING NL 2,275
TOSHIBA LIGHTING & TECHNOLOGY CORPORATION 1,982
KOITO MANUFACTURING COMPANY JP 1,766
LG INNOTEK COMPANY KR 1,651
SUZHOU OPPLE LIGHTING COMPANY 1,633
MITSUBISHI ELECTRIC CORPORATION 1,591

Top Applicants (CPC)

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