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CPC Main Group
B27G 3/00

Arrangements for removing bark-zones, chips, waste, or dust, specially designed for use in connection with wood-working machine or in wood-working plants

Filing statistics

CPC B27G 3/00 belongs to the parent subclass B27G, which recorded 9,683 patent applications worldwide between 2013 and 2023. Annual filings grew from 292 in 2013 to 715 in 2023 (+145%), peaking at 1,745 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

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