IPC Subgroup
B41F 3/18 of special construction or for particular purposes
Introduced: September 1968
Last revised: January 2006
Full Title
Cylinder presses, i.e. presses essentially comprising at least one cylinder co-operating with at least one flat type-bed > of special construction or for particular purposes
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- Subclass:
- PRINTING MACHINES OR PRESSES
8 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- B41F 3/2 with fixed type-beds and travelling impression cylinders
- B41F 3/26 with type-beds and impression cylinders simultaneously movable relative to one another
- B41F 3/28 Proof-print presses for relief printing, lithography or intaglio printing, i.e. presses for checking accuracy of printing surfaces
- B41F 3/3 for lithography
- B41F 3/36 for intaglio or heliogravure printing
- B41F 3/4 for perfecting sheets, i.e. for printing on both sides thereof
- B41F 3/42 for multicolour printing on sheets
- B41F 3/44 for monocolour or multicolour printing on one side of webs, or for perfecting webs, i.e. monocolour or multicolour printing on both sides of webs
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