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CPC Main Group
B41L 17/00

Lithographic printing apparatus for office or other commercial purposes (in general B41F; printing plates or foils, materials therefor B41N1/00)

8 direct subcodes

Child Classifications

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  • B41L 17/14 of two-cylinder type, e.g. co-operating forme and impression cylinders
  • B41L 17/16 of three-cylinder type
  • B41L 17/18 for multicolour printing, e.g. tandem machines; for perfecting
  • B41L 17/20 without damping means, e.g. using heat-activatable inks, refrigerated printing surfaces
  • B41L 17/22 Driving gear; Control thereof
  • B41L 17/24 Attachments, e.g. for punching, cutting, severing

Top Applicants

Top 10 applicants by patent filingsfor 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