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IPC 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

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
Subclass:
ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS

Filing statistics

IPC B27G 3/00 belongs to the parent subclass B27G, which recorded 27,470 patent applications worldwide between 2013 and 2023. Annual filings grew from 582 in 2013 to 3,413 in 2023 (+486%), peaking at 4,866 applications in 2020. The most active applicants in class B27 are NANJING FORESTRY UNIVERSITY (960 applications), ROBERT BOSCH (762 applications) and HOMAG (384 applications).

Source: EPO PATSTAT, worldwide filings

Related Keywords

removing BARK zones from timberremoving CHIPS in wood-workingcompositions for laying DUST in wood-workingremoving bark zones from timber

Top Applicants

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

  1. NANJING FORESTRY UNIVERSITY 960
  2. ROBERT BOSCH DE 762
  3. HOMAG DE 384
  4. HARBIN ARTS AND CRAFTS COMPANY 350
  5. NORTHEAST FORESTRY UNIVERSITY 343
  6. SWISS KRONO TEC CH 304
  7. MAKITA CORPORATION 298
  8. DIEFFENBACHERMASCHINEN- UND ANLAGENBAU DE 296
  9. VAELINGE INNOVATION SE 287
  10. HUSQVARNA SE 282