IPC Subgroup
B41F 9/1 with doctors, scrapers, or like devices
Introduced: September 1968
Last revised: January 2006
Full Title
Rotary intaglio printing presses > Details > Wiping mechanisms > with doctors, scrapers, or like devices
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- Subclass:
- PRINTING MACHINES OR PRESSES
Related Keywords
DOCTOR(S) blades in printing machines or pressesKNIFE (KNIVES) or doctor blades in printing machines or presses
Top Applicants
Top 10 applicants by patent filingsfor 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