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CPC Subgroup Additional Only
B41P 2227/20

Means enabling or facilitating exchange of tubular printing or impression members, e.g. printing sleeves, blankets

Full Title

Mounting or handling printing plates; Forming printing surfaces in situ > Means enabling or facilitating exchange of tubular printing or impression members, e.g. printing sleeves, blankets

1 direct subcode

Child Classifications

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  • B41P 2227/21 Means facilitating exchange of sleeves mounted on cylinders without removing the cylinder from the press

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