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PCE
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DIFF Subgroup
B41L 7/02

by passing original and copy-sheet or -web between rollers

Introduced: September 1968

Full Title

Apparatus for directly duplicating from hectographic originals, i.e. for obtaining copies in mirror image > by passing original and copy-sheet or -web between rollers

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

Child Classifications

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  • B41L 7/04 with means for guiding original or copy-sheet or -web IPC+CPC Available in IPC and CPC
  • B41L 7/06 with means for severing copy-sheet or -web IPC+CPC Available in IPC and CPC
  • B41L 7/08 with means for moistening or drying 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