DIFF Main Group
G04B 15/00 Escapements ( electric or magnetic means for converting oscillatory to rotary motion in electromechanical time-pieces )
Introduced: September 1968
Title
Titles differ between systems:
IPC: Escapements
CPC: Escapements ( electric or magnetic means for converting oscillatory to rotary motion in electromechanical time-pieces )
Full Title
Full titles differ between systems:
IPC:
Escapements
CPC:
Escapements ( electric or magnetic means for converting oscillatory to rotary motion in electromechanical time-pieces )
IPC and CPC are identically structured here. All 5 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- G04B 15/12 Adjusting (tools therefor G04D1/02); Restricting the amplitude of the lever or the like IPC+CPC Available in IPC and CPC
- G04B 15/14 Component parts or constructional details, e.g. construction of the lever or the escape wheel IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class G04,2013–2023, worldwide · Source: EPO PATSTAT
- THE SWATCH GROUP RESEARCH AND DEVELOPMENT CH 1,570
- ETA SA MANUFACTURE HORLOGERE SUISSE CH 1,409
- CASIO COMPUTER COMPANY 1,172
- SEIKO EPSON CORPORATION 1,100
- SAMSUNG ELECTRONICS COMPANY KR 768
- NIVAROX-FAR CH 750
- MONTRES BREGUET CH 707
- APPLE US 706
- SEIKO EPSON CORPORATION JP 648
- CITIZEN WATCH COMPANY 578
Top Applicants (CPC)
Class G04,2013–2023, worldwide · Source: EPO PATSTAT
- THE SWATCH GROUP RESEARCH AND DEVELOPMENT CH 1,705
- ETA SA MANUFACTURE HORLOGERE SUISSE CH 1,443
- SAMSUNG ELECTRONICS COMPANY KR 1,104
- APPLE US 1,038
- SEIKO EPSON CORPORATION 875
- NIVAROX-FAR CH 781
- CASIO COMPUTER COMPANY 734
- MONTRES BREGUET CH 715
- SEIKO EPSON CORPORATION JP 715
- OMEGA CH 555