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DIFF Main Group
G04B 47/00

Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece ( writing or drawing implements with devices for indicating time B43K29/087; combined with cameras, projectors, or photographic printing apparatus G03B29/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece

CPC: Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece ( writing or drawing implements with devices for indicating time B43K29/087; combined with cameras, projectors, or photographic printing apparatus G03B29/00)

Full Title

Full titles differ between systems:

IPC:

Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece

CPC:

Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece ( writing or drawing implements with devices for indicating time B43K29/087; combined with cameras, projectors, or photographic printing apparatus G03B29/00)

CPC subdivides this area 3x more granularly than IPC with 5 additional codes.

5 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • G04B 47/001 CPC only CPC only
  • G04B 47/003 CPC only CPC only
  • G04B 47/005 CPC only CPC only
  • G04B 47/006 CPC only CPC only
  • G04B 47/008 CPC only CPC only

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