Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
B41J 23/20

Fluid-pressure power drives

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Power drives for actions or mechanisms > Fluid-pressure power drives

CPC:

Power drives for actions or mechanisms (B41J9/00 take precedence) > Fluid-pressure power drives

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

Child Classifications

Navigate with arrow keys, Enter to open

  • B41J 23/22 for key or like type selection IPC+CPC Available in IPC and CPC
  • B41J 23/24 for impression mechanisms IPC+CPC Available in IPC and CPC
  • B41J 23/26 for platen or carriage movements, e.g. for line spacing, letter spacing, or carriage return IPC+CPC Available in IPC and CPC
  • B41J 23/28 for type-carriage movements IPC+CPC Available in IPC and CPC
  • B41J 23/30 for case shift 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