IPC Subgroup
F21S 13/02 Devices intended to be fixed, e.g. ceiling lamp, wall lamp
Introduced: September 1968
Last revised: January 2006
Full Title
Non-electric lighting devices or systems employing a point-like light source; Non-electric lighting devices or systems employing a light source of unspecified shape > Devices intended to be fixed, e.g. ceiling lamp, wall lamp
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- LIGHTING
- Subclass:
- NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
Related Keywords
non-electric CEILING(S) lampsgasoliersWALL(S) lamps, non-electricWALL(S) plugs or roses for supporting non-electric lamps
3 direct subcodes
Child Classifications
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- F21S 13/04 with a pendant
- F21S 13/08 with suspension from a stretched wire
- F21S 13/1 with a standard, e.g. street lamp
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