CPC Subgroup
G04B 1/10 with mainspring
Full Title
Driving mechanisms > with mainspring
6 direct subcodes
Child Classifications
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- G04B 1/12 with several mainsprings
- G04B 1/14 Mainsprings; Bridles therefor (mainsprings with bridles G04B1/18; alloys C22C; springs in general F16F )
- G04B 1/16 Barrels; Arbors; Barrel axles (arrangements facilitating the removal of the mainspring G04B33/14)
- G04B 1/18 Constructions for connecting the ends of the mainsprings with the barrel or the arbor
- G04B 1/22 Compensation of changes in the motive power of the mainspring (by mechanical shaping of the mainspring G04B1/14 )
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