IPC Main Group
B27B 25/00 Feeding devices for timber in saw mills or sawing machines; Feeding devices for trees
Introduced: September 1968
Last revised: January 2006
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
5 direct subcodes
Child Classifications
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- B27B 25/02 with feed and pressure rollers
- B27B 25/04 with feed chains or belts
- B27B 25/06 Resilient feeding or pressing accessories, e.g. pads, springs
- B27B 25/08 Feeding devices able to be attached to any sawing machine
- B27B 25/1 Manually-operated feeding or pressing accessories, e.g. pushers
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