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CPC Subgroup
B27B 29/04

Trunk or log carriages with gripping means which do not pass the saw blade(s), specially for gang saws; Arrangement of gripping accessories thereon

Full Title

Gripping, clamping or holding devices for the trunk or log in saw mills or sawing machines (safety guards or devices specially designed for wood saws B27G19/00); Travelling trunk or log carriages > Trunk or log carriages with gripping means which do not pass the saw blade(s), specially for gang saws; Arrangement of gripping accessories thereon

Filing statistics

CPC B27B 29/04 belongs to the parent subclass B27B, which recorded 11,434 patent applications worldwide between 2013 and 2023. Annual filings declined from 826 in 2013 to 729 in 2023 (-12%), peaking at 1,371 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

1 direct subcode

Child Classifications

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  • B27B 29/06 Auxiliary trunk or log carriages for carrying initially the log to the feed rollers or for carrying the sawn part of the log

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