SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR

Introduced: September 1968

Last revised: January 1990

Classification Context

Section:: PERFORMING OPERATIONS; TRANSPORTING
Class:: WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
Subclass:: SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR

Description

B27B covers mechanical saws designed specifically for cutting wood and materials of similar workability, including their structural components and operational accessories. This classification encompasses various saw types such as band saws, circular saws, reciprocating saws, and frame saws, along with associated blade designs, guides, feed mechanisms, and safety devices. The scope extends to both stationary industrial sawing equipment and portable handheld saw devices used in woodworking and timber processing. Adjacent classes address general sawing machines for other materials (B23D), non-mechanical cutting tools, and downstream wood processing operations.

Filing statistics

IPC subclass B27B recorded 22,308 patent applications worldwide between 2013 and 2023. Annual filings grew from 1,362 in 2013 to 1,874 in 2023 (+38%), peaking at 2,691 applications in 2020. The most active applicants in class B27 are NANJING FORESTRY UNIVERSITY (960 applications), ROBERT BOSCH (762 applications) and HOMAG (384 applications).

Source: EPO PATSTAT, worldwide filings

In class comparison

B27B ranks 3rd of 11 subclasses with filings in B27, with 22,308 applications between 2013 and 2023, 12.8% of the class. Annual filings grew 38% from 2013 to 2023, below the class as a whole (+168%).

Top 10 of 11 subclasses of class B27 by patent applications, 2013–2023
Rank	Subclass	Title	Applications	Share
1	B27C, Planing, Drilling, Milling, Turning or Universal Machines for Wood or Similar Material	Planing, Drilling, Milling, Turning or Universal Machines for Wood or Similar Material	30,601	17.5%
2	B27G, Accessory Machines or Apparatus for Working Wood or Similar Materials; Tools for Working Wood or Similar Materials; Safety Devices for Wood Working Machines or Tools	Accessory Machines or Apparatus for Working Wood or Similar Materials; Tools for Working Wood or Similar Materials; Safety Devices for Wood Working Machines or Tools	27,470	15.7%
3	B27B	Saws for Wood or Similar Material; Components or Accessories Therefor	22,308	12.8%
4	B27D, Working Veneer or Plywood	Working Veneer or Plywood	19,260	11.0%
5	B27N, Manufacture by Dry Processes of Articles, With or Without Organic Binding Agents, Made From Particles or Fibres Consisting of Wood or Other Lignocellulosic or Like Organic Material	Manufacture by Dry Processes of Articles, With or Without Organic Binding Agents, Made From Particles or Fibres Consisting of Wood or Other Lignocellulosic or Like Organic Material	17,739	10.1%
6	B27M, Working of Wood Not Provided for in Subclasses; Manufacture of Specific Wooden Articles	Working of Wood Not Provided for in Subclasses; Manufacture of Specific Wooden Articles	17,572	10.0%
7	B27K, Processes, Apparatus or Selection of Substances for Impregnating, Staining, Dyeing or Bleaching of Wood, or for Treating of Wood With Permeant Liquids, Not Otherwise Provided for; Chemical or Physical Treatment of Cork, Cane, Reed, Straw or Similar Materials	Processes, Apparatus or Selection of Substances for Impregnating, Staining, Dyeing or Bleaching of Wood, or for Treating of Wood With Permeant Liquids, Not Otherwise Provided for; Chemical or Physical Treatment of Cork, Cane, Reed, Straw or Similar Materials	15,050	8.6%
8	B27L, Removing Bark or Vestiges of Branches; Splitting Wood; Manufacture of Veneer, Wooden Sticks, Wood Shavings, Wood Fibres or Wood Powder	Removing Bark or Vestiges of Branches; Splitting Wood; Manufacture of Veneer, Wooden Sticks, Wood Shavings, Wood Fibres or Wood Powder	9,518	5.4%
9	B27J, Mechanical Working of Cane, Cork, or Similar Materials	Mechanical Working of Cane, Cork, or Similar Materials	7,997	4.6%
10	B27F, Dovetailed Work; Tenons; Slotting Machines for Wood or Similar Material; Nailing or Stapling Machines	Dovetailed Work; Tenons; Slotting Machines for Wood or Similar Material; Nailing or Stapling Machines	6,332	3.6%

Source: EPO PATSTAT, worldwide filings

Related Keywords

BAND(S) saws for woodCIRCULAR(S) sawsHACK saws for woodsawing LOG(S)saw MILL(S)SAW(S) for sawing wood or similar materialSCROLL -sawsSTRAP(S) sawssaw WIRE(S)sawing WOOD

17 direct subcodes

Child Classifications

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B27B 1/00 Methods for subdividing trunks or logs essentially involving sawing
B27B 11/00 Cross-cut reciprocating saws with power drive; Appurtenances therefor
B27B 13/00 Band or strap sawing machines; Components or equipment therefor
B27B 15/00 Band or strap sawing machines specially designed for length cutting of trunks
B27B 17/00 Chain saws; Equipment therefor
B27B 19/00 Other reciprocating saws with power drive; Fret-saws
B27B 21/00 Hand saws without power drive; Equipment for hand sawing, e.g. saw horses
B27B 23/00 Other cutting of wood by non-rotary toothed tools; Tools therefor
B27B 25/00 Feeding devices for timber in saw mills or sawing machines; Feeding devices for trees
B27B 27/00 Guide fences or stops for timber in saw mills or sawing machines; Measuring equipment thereon
B27B 29/00 Gripping, clamping or holding devices for the trunk or log in saw mills or sawing machines; Travelling trunk or log carriages
B27B 3/00 Gang saw mills; Other sawing machines with reciprocating saw blades, specially designed for length sawing of trunks
B27B 31/00 Arrangements for conveying, loading, turning, adjusting, or discharging the log or timber, specially designed for saw mills or sawing machines
B27B 33/00 Sawing tools for saw mills, sawing machines, or sawing devices
B27B 5/00 Sawing machines working with circular saw blades; Components or equipment therefor
B27B 7/00 Sawing machines working with circular saw blades, specially designed for length sawing of trunks
B27B 9/00 Portable power-driven circular saws for manual operation

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