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PCE
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IPC Subgroup
G04B 18/04

Adjusting the beat of the pendulum, balance, or the like, e.g. putting into beat

Introduced: January 1980

Last revised: January 2006

Full Title

Mechanisms for setting frequency > Adjusting the beat of the pendulum, balance, or the like, e.g. putting into beat

Classification Context

Section:
PHYSICS
Class:
HOROLOGY
Subclass:
MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME-PIECES USING THE POSITION OF THE SUN, MOON, OR STARS

1 direct subcode

Child Classifications

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  • G04B 18/06 by setting the collet or the stud of a hairspring

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