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CPC Subgroup
B27L 11/06

of wood powder or sawdust (grinding-stones B24D)

Full Title

Manufacture of wood shavings, chips, powder, or the like (disintegrating in general B02C; edge trimming sawing blades or sawing tools combined with means to disintegrate waste B27B33/20; obtaining fibres for spinning D01B1/00; wet methods D21B1/12); Tools therefor > of wood powder or sawdust (grinding-stones B24D)

Filing statistics

CPC B27L 11/06 belongs to the parent subclass B27L, which recorded 4,461 patent applications worldwide between 2013 and 2023. Annual filings grew from 189 in 2013 to 305 in 2023 (+61%), peaking at 717 applications in 2018. 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