Construction of inking rollers (inking-rollers serving also to apply ink repellants in rotary lithographic machines B41F7/36)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Construction of inking rollers

CPC: Construction of inking rollers (inking-rollers serving also to apply ink repellants in rotary lithographic machines B41F7/36)

Full Title

Full titles differ between systems:

IPC:

Inking arrangements or devices > Construction of inking rollers

CPC:

Inking arrangements or devices (inking units for platen presses B41F1/40; inking units for cylinder presses B41F3/81) > Construction of inking rollers (inking-rollers serving also to apply ink repellants in rotary lithographic machines B41F7/36)

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

SEIKO EPSON CORPORATION 14,672
CANON 14,153
RICOH COMPANY 8,049
SEIKO EPSON CORPORATION JP 8,044
HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,312
BROTHER INDUSTRIES 6,887
KYOCERA DOCUMENT SOLUTIONS 5,463
CANON JP 5,001
KONICA MINOLTA CORPORATION 4,512
BROTHER INDUSTRIES JP 3,681

Top Applicants (CPC)

Class B41,2013–2023, worldwide · Source: EPO PATSTAT

SEIKO EPSON CORPORATION 8,446
SEIKO EPSON CORPORATION JP 8,438
HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,828
CANON JP 5,419
CANON 4,156
BROTHER INDUSTRIES JP 3,763
BROTHER INDUSTRIES 2,779
RICOH COMPANY JP 2,717
FUJIFILM JP 2,423
RICOH COMPANY 1,739