IPC Subgroup
B41F 5/04 for printing on webs
Introduced: September 1968
Last revised: January 2006
Full Title
Rotary letterpress machines > for printing on webs
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- Subclass:
- PRINTING MACHINES OR PRESSES
6 direct subcodes
Child Classifications
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- B41F 5/06 with several printing units in sequential arrangement
- B41F 5/08 with several printing units in both superimposed and sequential arrangement
- B41F 5/1 with several printing units arranged side by side
- B41F 5/12 for printing on one side and on the other side of webs between the same forme and impression cylinders
- B41F 5/14 with several impression cylinders arranged around a forme cylinder
- B41F 5/16 for multicolour printing
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