B41F 31/38 magnetically operated
Introduced: September 1968
Full Title
Full titles differ between systems:
Inking arrangements or devices > Arrangements for tripping, lifting, adjusting, or removing inking rollers; Supports, bearings, or forks therefor > Lifting or adjusting devices > magnetically operated
Inking arrangements or devices (inking units for platen presses B41F1/40; inking units for cylinder presses B41F3/81) > Arrangements for tripping, lifting, adjusting, or removing inking rollers; Supports, bearings, or forks therefor > Lifting or adjusting devices (for damping rollers B41F7/40) > magnetically operated
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