CPC Subgroup
G04B 1/22 Compensation of changes in the motive power of the mainspring (by mechanical shaping of the mainspring G04B1/14 )
Full Title
Driving mechanisms > with mainspring > Compensation of changes in the motive power of the mainspring (by mechanical shaping of the mainspring G04B1/14 )
1 direct subcode
Child Classifications
Navigate with arrow keys, Enter to open
Top Applicants
Top 10 applicants by patent filingsfor 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