Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Main Group
G04D 1/00

Gripping, holding, or supporting devices

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

Related Keywords

PLIERS for watchmaking or comparable work

5 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • G04D 1/02 Tweezers; Vice clamps or other special hand tools for watchmakers
  • G04D 1/04 Tools for setting springs
  • G04D 1/06 Supporting devices for clockworks or parts of time-pieces
  • G04D 1/08 Tools for setting or removing hands
  • G04D 1/1 Devices for opening or closing watch bottoms or covers

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