IPC Main Group
F21V 17/00 Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- LIGHTING
- Subclass:
- FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
Related Keywords
fastening of CAGES for lighting devicesfastening FILTER(S) to lighting devicesfastening and lifting lamp and lantern GLASSESfastening lamp GLOBESfastening of lamp REFLECTORSfastening of lamp REFRACTORSfastening lampshadesfastening of SHIELD(S) for lighting devices
5 direct subcodes
Child Classifications
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- F21V 17/02 with provision for adjustment
- F21V 17/04 onto or by the light source
- F21V 17/06 onto or by the lamp holder
- F21V 17/08 onto the supporting or suspending arrangements of the lighting device, e.g. power cords, standards
- F21V 17/1 characterised by specific fastening means or way of fastening
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