DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES (hand-held nailing or stapling tools B25C; manufacture of cases, trunks or boxes from wood B27M3/34; connections for building structures in general, e.g. dowels for use in building constructions E04B1/38; jointing elements in general, e.g. dowels in general, F16B )

Description

B27F covers specialized woodworking machinery and techniques for creating and assembling wooden joints, particularly dovetailed joints and mortise-and-tenon connections used in furniture and construction. It includes slotting machines designed to cut grooves, slots, and mortises in wood or similar materials, as well as the general category of nailing and stapling machines for fastening wood components. This classification encompasses both the mechanical equipment used to produce these joints and the processes involved in their manufacture, distinct from more basic wood machining operations covered elsewhere in B27.

Filing statistics

CPC subclass B27F recorded 2,878 patent applications worldwide between 2013 and 2023. Annual filings grew from 125 in 2013 to 208 in 2023 (+66%), peaking at 449 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