IPC Main Group
F21W 111/00 Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in groups
Introduced: January 2000
Last revised: January 2018
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- LIGHTING
- Subclass:
- INDEXING SCHEME ASSOCIATED WITH SUBCLASSES , , and , RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
5 direct subcodes
Child Classifications
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- F21W 111/02 for roads, paths or the like
- F21W 111/04 for waterways
- F21W 111/06 for aircraft runways or the like
- F21W 111/08 for handles or handrails
- F21W 111/1 for personal use, e.g. hand-held
Top Applicants
Top 10 applicants by patent filingsfor 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