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DIFF Main Group
B27N 3/00

Manufacture of substantially flat articles, e.g. boards, from particles or fibres

Introduced: January 1985

Of 7 combined children, 4 exist in both systems.

3 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1985.

Child Classifications

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  • B27N 3/002 CPC only CPC only
  • B27N 3/005 CPC only CPC only
  • B27N 3/007 CPC only CPC only
  • B27N 3/02 from particles since 1985 IPC+CPC Available in IPC and CPC
  • B27N 3/04 from fibres since 1985 IPC+CPC Available in IPC and CPC
  • B27N 3/06 Making particle boards or fibreboards, with preformed covering layers, the particles or fibres being compressed with the layers to a board in one single pressing operation since 1985 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

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