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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

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  • 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 3/4 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

  1. SEIKO EPSON CORPORATION 14,672
  2. CANON 14,153
  3. RICOH COMPANY 8,049
  4. SEIKO EPSON CORPORATION JP 8,044
  5. HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,312
  6. BROTHER INDUSTRIES 6,887
  7. KYOCERA DOCUMENT SOLUTIONS 5,463
  8. CANON JP 5,001
  9. KONICA MINOLTA CORPORATION 4,512
  10. BROTHER INDUSTRIES JP 3,681