DIFF Main Group
F21V 15/00 Protecting lighting devices from damage (protection from thermal damage F21V29/00; gas-tight or water-tight arrangements F21V31/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Protecting lighting devices from damage
CPC: Protecting lighting devices from damage (protection from thermal damage F21V29/00; gas-tight or water-tight arrangements F21V31/00)
Full Title
Full titles differ between systems:
IPC:
Protecting lighting devices from damage
CPC:
Protecting lighting devices from damage (protection from thermal damage F21V29/00; gas-tight or water-tight arrangements F21V31/00)
Of 4 combined children, 3 exist in both systems.
1 codes are CPC-only extensions.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
Navigate with arrow keys, Enter to open
- F21V 15/01 Housings, e.g. material or assembling of housing parts (F21V15/02 takes precedence ) since 2000 +2 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