IPC Main Group
B41L 35/00 Cylinders for apparatus or machines for manifolding, duplicating, or printing for office or other commercial purposes
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- Subclass:
- APPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING OR PRINTING FOR OFFICE OR OTHER COMMERCIAL PURPOSES; ADDRESSING MACHINES OR LIKE SERIES-PRINTING MACHINES
6 direct subcodes
Child Classifications
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- B41L 35/02 Forme cylinders
- B41L 35/1 Impression cylinders
- B41L 35/12 Bearings or supports for forme, offset or transfer, or impression cylinders
- B41L 35/14 Means for heating or cooling forme or impression cylinders
- B41L 35/16 Cylinder-tripping devices; Cylinder-impression adjustments
- B41L 35/34 Guards or covers, e.g. for safety purposes, for preventing egress or ingress of foreign matter
Top Applicants
Top 10 applicants by patent filingsfor class B41, 2013–2023, worldwide · Source: EPO PATSTAT
- SEIKO EPSON CORPORATION 14,672
- CANON 14,153
- RICOH COMPANY 8,049
- SEIKO EPSON CORPORATION JP 8,044
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,312
- BROTHER INDUSTRIES 6,887
- KYOCERA DOCUMENT SOLUTIONS 5,463
- CANON JP 5,001
- KONICA MINOLTA CORPORATION 4,512
- BROTHER INDUSTRIES JP 3,681