CPC Subgroup
G12B 17/04 from visible, ultraviolet, or infrared light (screening of lighting devices F21V; optical filters G02B5/20)
Full Title
Screening (insulation or other protection of buildings E04B; emergency protection of apparatus in general F16P7/00; in connection with acoustic waves G10K11/00; in connection with nuclear radiation G21F) > from visible, ultraviolet, or infrared light (screening of lighting devices F21V; optical filters G02B5/20)
Top Applicants
Top 10 applicants by patent filingsfor class G12, 2013–2023, worldwide · Source: EPO PATSTAT
- BECTON, DICKINSON & COMPANY US 20
- LANDIS & GYR CH 17
- TIANJIN UNIVERSITY 16
- AUDI DE 14
- SAMSUNG ELECTRONICS COMPANY KR 13
- ARCHI ENTERPRISES CA 12
- RITTAL & COMPANY DE 11
- SIEMENS DE 11
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 10
- ROBERT BOSCH DE 10