IPC Subgroup
B27F 1/16 Making finger joints, i.e. joints having tapers in the opposite direction to those of dovetail joints
Introduced: July 1974
Last revised: January 2006
Full Title
Dovetailed work; Tenons; Making tongues or grooves; Groove-and-tongue jointed work; Finger-joints > Making finger joints, i.e. joints having tapers in the opposite direction to those of dovetail joints
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- Subclass:
- DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
Top Applicants
Top 10 applicants by patent filingsfor class B27, 2013–2023, worldwide · Source: EPO PATSTAT
- NANJING FORESTRY UNIVERSITY 960
- ROBERT BOSCH DE 762
- HOMAG DE 384
- HARBIN ARTS AND CRAFTS COMPANY 350
- NORTHEAST FORESTRY UNIVERSITY 343
- SWISS KRONO TEC CH 304
- MAKITA CORPORATION 298
- DIEFFENBACHERMASCHINEN- UND ANLAGENBAU DE 296
- VAELINGE INNOVATION SE 287
- HUSQVARNA SE 282