IPC Subgroup
F21V 29/502 characterised by the adaptation for cooling of specific components
Introduced: January 2015
Full Title
Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems > Cooling arrangements > characterised by the adaptation for cooling of specific components
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
6 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- F21V 29/503 of light sources
- F21V 29/504 of refractors
- F21V 29/505 of reflectors
- F21V 29/506 of globes, bowls or cover glasses
- F21V 29/507 of means for protecting lighting devices from damage, e.g. housings
- F21V 29/508 of electrical circuits
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