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DIFF Subgroup
G04B 5/19

Suspension of the oscillating weight at its centre of rotation

Introduced: January 1980

Full Title

Full titles differ between systems:

IPC:

Automatic winding-up > by self-winding caused by movement of the watch > Supports, suspensions, or guide arrangements, for oscillating weights > Suspension of the oscillating weight at its centre of rotation

CPC:

Automatic winding up > by self-winding caused by the movement of the watch > Supports, suspensions or guide arrangements, for oscillating weights > Suspension of the oscillating weight at its centre of rotation

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

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