Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Main Group
B41B 1/00

Elements or appliances for hand composition; Chases, quoins, or galleys

Introduced: September 1968

IPC and CPC are identically structured here. All 10 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

Navigate with arrow keys, Enter to open

  • B41B 1/04 Quadrats or quads: Spaces or other justifiers IPC+CPC Available in IPC and CPC
  • B41B 1/14 Composing rules, e.g. of brass IPC+CPC Available in IPC and CPC
  • B41B 1/16 Reglets IPC+CPC Available in IPC and CPC
  • B41B 1/18 Chases IPC+CPC Available in IPC and CPC
  • B41B 1/20 Quoins or other binding means IPC+CPC Available in IPC and CPC
  • B41B 1/26 Composing or setting sticks IPC+CPC Available in IPC and CPC
  • B41B 1/28 Galleys 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