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DIFF Subgroup
B41L 35/12

Bearings or supports for forme, offset, or transfer or impression cylinders

Introduced: September 1968

Title

Titles differ between systems:

IPC: Bearings or supports for forme, offset or transfer, or impression cylinders

CPC: Bearings or supports for forme, offset, or transfer or impression cylinders

Full Title

Full titles differ between systems:

IPC:

Cylinders for apparatus or machines for manifolding, duplicating, or printing for office or other commercial purposes > Bearings or supports for forme, offset or transfer, or impression cylinders

CPC:

Cylinders for apparatus or machines for manifolding, duplicating, or printing for office or other commercial purposes > Bearings or supports for forme, offset, or transfer or impression cylinders

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