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PCE
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DIFF Subgroup
B41L 1/16

Carriers or supply devices for pressure-sensitive material, e.g. for carbon sheets; Carbon gloves

Introduced: September 1968

Full Title

Devices for performing operations in connection with manifolding by means of pressure-sensitive layers or intermediaries, e.g. carbons; Accessories for manifolding purposes > Carriers or supply devices for pressure-sensitive material, e.g. for carbon sheets; Carbon gloves

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • B41L 1/18 for carbon webs; Continuous carbon supply mechanisms 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