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DIFF Subgroup
B41J 17/22

Supply arrangements for webs of impression-transfer material

Introduced: September 1968

Title

Titles differ between systems:

IPC: Supply arrangements for webs or impression-transfer material

CPC: Supply arrangements for webs of impression-transfer material

Full Title

Full titles differ between systems:

IPC:

Mechanisms for manipulating page-width impression-transfer material, e.g. carbon paper > Supply arrangements for webs or impression-transfer material

CPC:

Mechanisms for manipulating page-width impression-transfer material, e.g. carbon paper (in manifolding devices B41L) > Supply arrangements for webs of impression-transfer material

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

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  • B41J 17/24 Webs supplied from reels or spools attached to the machine IPC+CPC Available in IPC and CPC
  • B41J 17/26 Webs supplied from trays or like supports attached to the machines 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