Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
B41F 3/30

for lithography (proof-print presses B41F3/28)

Introduced: September 1968

Title

Titles differ between systems:

IPC: for lithography

CPC: for lithography (proof-print presses B41F3/28)

Full Title

Full titles differ between systems:

IPC:

Cylinder presses, i.e. presses essentially comprising at least one cylinder co-operating with at least one flat type-bed > of special construction or for particular purposes > for lithography

CPC:

Cylinder presses, i.e. presses essentially comprising at least one cylinder co-operating with at least one flat type-bed > of special construction or for particular purposes > for lithography (proof-print presses B41F3/28)

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

Child Classifications

Navigate with arrow keys, Enter to open

  • B41F 3/32 Damping devices IPC+CPC Available in IPC and CPC
  • B41F 3/34 for offset printing 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