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IPC Main Group
G04D 3/00

Watchmakers' or watch-repairers' machines or tools for working materials

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
PHYSICS
Class:
HOROLOGY
Subclass:
APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES

4 direct subcodes

Child Classifications

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  • G04D 3/02 Lathes, with one or more supports; Burnishing machines, with one or more supports
  • G04D 3/04 Devices for placing bearing jewels, bearing sleeves, or the like in position
  • G04D 3/06 Devices for shaping or setting watch glasses
  • G04D 3/08 Machines or apparatus for cleaning

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