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DIFF Subgroup
B41F 3/51

Type-beds; Supports therefor (B41F3/52 takes precedence)

Introduced: January 1980

Title

Titles differ between systems:

IPC: Type-beds; Supports therefor

CPC: Type-beds; Supports therefor (B41F3/52 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Cylinder presses, i.e. presses essentially comprising at least one cylinder co-operating with at least one flat type-bed > Details > Type-beds; Supports therefor

CPC:

Cylinder presses, i.e. presses essentially comprising at least one cylinder co-operating with at least one flat type-bed > Details > Type-beds; Supports therefor (B41F3/52 takes precedence)

No child classifications to compare. This is a leaf node in both 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