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DIFF Subgroup
B41L 19/06

with co-operating forme and impression cylinders

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Duplicating or printing apparatus or machines for office or other commercial purposes, of special types or for particular purposes and not otherwise provided for > for printing from selected parts of one or more printing surfaces in one cycle, e.g. line printing > with co-operating forme and impression cylinders

CPC:

Duplicating or printing apparatus or machines for office or other commercial purposes, of special types or for particular purposes and not otherwise provided for (addressographs B41L45/00) > for printing from selected parts of one or more printing surfaces in one cycle, e.g. line printing (by inking selected areas B41L27/20) > with co-operating forme and impression cylinders

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

Child Classifications

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  • B41L 19/08 by effecting relative movement of forme and impression cylinders during printing cycle IPC+CPC Available in IPC and CPC
  • B41L 19/10 by projecting and retracting parts of the surfaces of the forme cylinders IPC+CPC Available in IPC and CPC
  • B41L 19/12 by masking parts of the printing surfaces on the forme cylinders IPC+CPC Available in IPC and CPC
  • B41L 19/14 by selective damping of the copy material IPC+CPC Available in IPC and CPC
  • B41L 19/16 by selective tripping of impression cylinders IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

Class B41,2013–2023, worldwide · Source: EPO PATSTAT

  1. SEIKO EPSON CORPORATION 8,446
  2. SEIKO EPSON CORPORATION JP 8,438
  3. HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,828
  4. CANON JP 5,419
  5. CANON 4,156
  6. BROTHER INDUSTRIES JP 3,763
  7. BROTHER INDUSTRIES 2,779
  8. RICOH COMPANY JP 2,717
  9. FUJIFILM JP 2,423
  10. RICOH COMPANY 1,739