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CPC Subclass Not Allocatable
G09D

RAILWAY OR LIKE TIME OR FARE TABLES; PERPETUAL CALENDARS (calendar blocks B42D5/04; clockwork driven G04B; comprising computing means G06C)

Description

Covers mechanical or analog display devices used for presenting railway timetables, transportation schedules, fare information, and perpetual calendar systems. Includes fixed or adjustable display mechanisms such as flip cards, rotating drums, sliding panels, and similar devices designed for public information purposes in transportation venues. Excludes digital electronic displays and automated ticketing systems, which fall under different classifications.

Filing statistics

CPC subclass G09D recorded 203 patent applications worldwide between 2013 and 2023. Annual filings declined from 22 in 2013 to 12 in 2023 (-45%), peaking at 30 applications in 2016. The most active applicants in class G09 are SAMSUNG DISPLAY (22,477 applications), BOE TECHNOLOGY GROUP COMPANY (16,016 applications) and BOE TECHNOLOGY GROUP COMPANY (12,918 applications).

Source: EPO PATSTAT, worldwide filings

2 direct subcodes

Child Classifications

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  • G09D 1/00 Railway or like time or fare tables; Indicating or reading aids therefor (essentially incorporating maps or route diagrams G09B; railway routing charts G09B; display devices, e.g. railway indicator boards G09F)

Top Applicants

Top 10 applicants by patent filingsfor class G09, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG DISPLAY KR 22,477
  2. BOE TECHNOLOGY GROUP COMPANY CN 16,016
  3. BOE TECHNOLOGY GROUP COMPANY 12,918
  4. LG DISPLAY COMPANY KR 12,599
  5. SAMSUNG ELECTRONICS COMPANY KR 12,009
  6. SAMSUNG DISPLAY 6,252
  7. SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 4,410
  8. SONY CORPORATION JP 3,965
  9. LG ELECTRONICS KR 3,901
  10. LG DISPLAY COMPANY 3,705