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CPC Main Group
G04G 13/00

Producing acoustic time signals

Filing statistics

CPC G04G 13/00 belongs to the parent subclass G04G, which recorded 15,822 patent applications worldwide between 2013 and 2023. Annual filings grew from 897 in 2013 to 1,294 in 2023 (+44%), peaking at 2,012 applications in 2016. The most active applicants in class G04 are THE SWATCH GROUP RESEARCH AND DEVELOPMENT (1,705 applications), ETA SA MANUFACTURE HORLOGERE SUISSE (1,443 applications) and SAMSUNG ELECTRONICS COMPANY (1,104 applications).

Source: EPO PATSTAT, worldwide filings

1 direct subcode

Child Classifications

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Top Applicants

Top 10 applicants by patent filingsfor class G04, 2013–2023, worldwide · Source: EPO PATSTAT

  1. THE SWATCH GROUP RESEARCH AND DEVELOPMENT CH 1,705
  2. ETA SA MANUFACTURE HORLOGERE SUISSE CH 1,443
  3. SAMSUNG ELECTRONICS COMPANY KR 1,104
  4. APPLE US 1,038
  5. SEIKO EPSON CORPORATION 875
  6. NIVAROX-FAR CH 781
  7. CASIO COMPUTER COMPANY 734
  8. MONTRES BREGUET CH 715
  9. SEIKO EPSON CORPORATION JP 715
  10. OMEGA CH 555