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IPC Main Group
G04C 5/00

Electric or magnetic means for converting oscillatory to rotary motion in time-pieces, i.e. electric or magnetic escapements

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
PHYSICS
Class:
HOROLOGY
Subclass:
ELECTROMECHANICAL CLOCKS OR WATCHES

Filing statistics

IPC G04C 5/00 belongs to the parent subclass G04C, which recorded 5,757 patent applications worldwide between 2013 and 2023. Annual filings declined from 653 in 2013 to 279 in 2023 (-57%), peaking at 665 applications in 2015. The most active applicants in class G04 are THE SWATCH GROUP RESEARCH AND DEVELOPMENT (1,570 applications), ETA SA MANUFACTURE HORLOGERE SUISSE (1,409 applications) and CASIO COMPUTER COMPANY (1,172 applications).

Source: EPO PATSTAT, worldwide filings

Related Keywords

electrically controlled ESCAPEMENTS in electric clocks

Top Applicants

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

  1. THE SWATCH GROUP RESEARCH AND DEVELOPMENT CH 1,570
  2. ETA SA MANUFACTURE HORLOGERE SUISSE CH 1,409
  3. CASIO COMPUTER COMPANY 1,172
  4. SEIKO EPSON CORPORATION 1,100
  5. SAMSUNG ELECTRONICS COMPANY KR 768
  6. NIVAROX-FAR CH 750
  7. MONTRES BREGUET CH 707
  8. APPLE US 706
  9. SEIKO EPSON CORPORATION JP 648
  10. CITIZEN WATCH COMPANY 578