Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
B41B 21/26

with means for selecting individual optical paths (means for moving the optical path B41B17/12)

Introduced: September 1968

Title

Titles differ between systems:

IPC: with means for selecting individual optical paths

CPC: with means for selecting individual optical paths (means for moving the optical path B41B17/12)

Full Title

Full titles differ between systems:

IPC:

Common details of photographic composing machines of the kinds covered in groups and > Optical systems > defining multiple optical paths > with means for selecting individual optical paths

CPC:

Common details of photographic composing machines of the kinds covered in groups B41B17/00 and B41B19/00 > Optical systems (shutters B41B21/02; light sources B41B21/08) > defining multiple optical paths > with means for selecting individual optical paths (means for moving the optical path B41B17/12)

No child classifications to compare. This is a leaf node in both 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