G04C 23/38 Mechanisms measuring a chosen time interval independently of the time of day at which interval starts
Full Title
Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals (if restricted to producing acoustic time signals by electrical means G04C21/00) > Mechanisms measuring a chosen time interval independently of the time of day at which interval starts
Filing statistics
CPC G04C 23/38 belongs to the parent subclass G04C, which recorded 5,767 patent applications worldwide between 2013 and 2023. Annual filings declined from 451 in 2013 to 303 in 2023 (-33%), peaking at 715 applications in 2016. The most active applicants in class G04 are THE SWATCH GROUP RESEARCH AND DEVELOPMENT (1,705 applications), ETA SA MANUFACTURE HORLOGERE SUISSE (1,443 applications) and SAMSUNG ELECTRONICS COMPANY (1,104 applications).
Source: EPO PATSTAT, worldwide filings
4 direct subcodes
Child Classifications
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- G04C 23/40 using continuously-running mechanism
- G04C 23/42 acting only at the end of a single time interval
- G04C 23/48 acting at the ends of successive time intervals
- G04C 23/50 with provision for modification of the interval(s) by external influences
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