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DIFF Class Not Allocatable
B41

PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS

Description

Class B41 encompasses mechanical and electromechanical devices and processes for producing printed matter, including traditional printing machines, typewriters, and stamping equipment. The scope covers printing technologies such as letterpress, offset, gravure, and flexographic printing systems, along with associated machinery for ink application, paper handling, and finishing operations. Also included are lining machines for applying lines or patterns to surfaces and manual or automatic stamping devices for impression marking. This classification excludes digital printing systems and electronic typewriters, which are typically addressed in other sections of the IPC system.

Of 11 combined children, 10 exist in both systems.

1 codes are CPC-only extensions.

9 shared codes have differing titles between IPC and CPC.

Child Classifications

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Top Applicants

Top Applicants (IPC)

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)

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