B27 WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
Description
B27 covers machines and processes for working, treating, and preserving wood and wood-like materials, including sawing, planing, shaping, and finishing operations. It also encompasses nailing and stapling machinery used across various industries for fastening applications. The class includes both manual and automated equipment for wood processing, as well as methods for wood preservation and surface treatment. Adjacent classes handle chemical wood treatment (C09B) and specialized woodworking for furniture or construction components addressed elsewhere in the B classification.
Filing statistics
IPC B27 recorded 174,925 patent applications worldwide between 2013 and 2023, summed across its 11 subclasses. Annual filings grew from 6,523 in 2013 to 17,460 in 2023 (+168%), peaking at 25,531 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
B27 comprises 11 subclasses with filings; the largest is B27C with 17.5% of the class's 174,925 applications between 2013 and 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 | 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
11 direct subcodes
Child Classifications
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- B27B SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27C PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
- B27D WORKING VENEER OR PLYWOOD
- B27F DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
- 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
- B27H BENDING WOOD OR SIMILAR MATERIAL; COOPERAGE; MAKING WHEELS FROM WOOD OR SIMILAR MATERIAL
- B27J MECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
- 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
- B27L REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
- B27M WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- 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
Top Applicants
Top 10 applicants by patent filings, 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