CPC Subgroup
B41F 3/18 of special construction or for particular purposes
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
8 direct subcodes
Child Classifications
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- B41F 3/20 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 3/30 for lithography (proof-print presses B41F3/28)
- B41F 3/36 for intaglio or heliogravure printing (proof-print presses B41F3/28)
- B41F 3/40 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 8,446
- SEIKO EPSON CORPORATION JP 8,438
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,828
- CANON JP 5,419
- CANON 4,156
- BROTHER INDUSTRIES JP 3,763
- BROTHER INDUSTRIES 2,779
- RICOH COMPANY JP 2,717
- FUJIFILM JP 2,423
- RICOH COMPANY 1,739