Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
B41J 29/46

Applications of alarms, e.g. responsive to approach of end of line

Full Title

Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for > Applications of alarms, e.g. responsive to approach of end of line

1 direct subcode

Child Classifications

Navigate with arrow keys, Enter to open

  • B41J 29/48 responsive to breakage or exhaustion of paper or approach of bottom of paper

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