Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
G04B 31/008

Jewel bearings (G04B31/04 takes precedence)

Full Title

Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor (bearings in general F16C ) > characterised by the material used > Jewel bearings (G04B31/04 takes precedence)

Filing statistics

CPC G04B 31/008 belongs to the parent subclass G04B, which recorded 21,796 patent applications worldwide between 2013 and 2023. Annual filings grew from 1,615 in 2013 to 1,692 in 2023 (+5%), peaking at 2,440 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

3 direct subcodes

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

  1. THE SWATCH GROUP RESEARCH AND DEVELOPMENT CH 1,705
  2. ETA SA MANUFACTURE HORLOGERE SUISSE CH 1,443
  3. SAMSUNG ELECTRONICS COMPANY KR 1,104
  4. APPLE US 1,038
  5. SEIKO EPSON CORPORATION 875
  6. NIVAROX-FAR CH 781
  7. CASIO COMPUTER COMPANY 734
  8. MONTRES BREGUET CH 715
  9. SEIKO EPSON CORPORATION JP 715
  10. OMEGA CH 555