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IPC Subclass
B27D

WORKING VENEER OR PLYWOOD

Introduced: September 1968

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
Subclass:
WORKING VENEER OR PLYWOOD

Description

B27D encompasses machinery and processes for manufacturing, processing, and finishing veneer sheets and plywood products. This classification covers equipment for peeling, slicing, or otherwise preparing veneer from logs, as well as devices for assembling, bonding, pressing, and trimming veneer layers into composite plywood structures. It includes technologies for controlling veneer thickness, moisture content, and grain alignment, along with finishing operations such as surface treatment and edge finishing specific to plywood manufacture. Adjacent classes address raw wood preparation (B27B) and general woodworking operations on solid timber (B27F).

Related Keywords

BENDING plywoodTWISTING plywood

3 direct subcodes

Child Classifications

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  • B27D 5/00 Other working of veneer or plywood specially adapted to veneer or plywood

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