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CPC Subgroup
B41F 3/68

with pinion rotating unidirectionally

Full Title

Cylinder presses, i.e. presses essentially comprising at least one cylinder co-operating with at least one flat type-bed > Details > Driving, synchronising, or control gear > for type-beds > Applications of linkwork or gearing for producing reciprocatory or angular motion > of rack-and-pinion gearing > with pinion rotating unidirectionally

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