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CPC Main Group
B27F 1/00

Dovetailed work; Tenons; Making tongues or grooves (slotting B27F5/00); Groove- and- tongue jointed work; Finger- joints (machines or devices for working mitred joints B27G5/00; cutting tools for cutting grooves or tenons B27G13/14)

Filing statistics

CPC B27F 1/00 belongs to the parent subclass B27F, which recorded 2,878 patent applications worldwide between 2013 and 2023. Annual filings grew from 125 in 2013 to 208 in 2023 (+66%), peaking at 449 applications in 2020. The most active applicants in class B27 are ROBERT BOSCH (868 applications), NANJING FORESTRY UNIVERSITY (463 applications) and HOMAG (437 applications).

Source: EPO PATSTAT, worldwide filings

4 direct subcodes

Child Classifications

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  • B27F 1/16 Making finger joints, i.e. joints having tapers in the opposite direction to those of dovetail joints (B27F1/08 takes precedence)

Top Applicants

Top 10 applicants by patent filingsfor class B27, 2013–2023, worldwide · Source: EPO PATSTAT

  1. ROBERT BOSCH DE 868
  2. NANJING FORESTRY UNIVERSITY 463
  3. HOMAG DE 437
  4. HUSQVARNA SE 360
  5. SWISS KRONO TEC CH 350
  6. MAKITA CORPORATION JP 319
  7. DIEFFENBACHERMASCHINEN- UND ANLAGENBAU DE 312
  8. VAELINGE INNOVATION SE 306
  9. ANDREAS STIHL & COMPANY DE 275
  10. FESTOOL DE 260