B41L 39/00 Indicating, counting, warning, control, or safety devices (ink-level control devices B41L27/04; such devices in general, see relevant subclasses, e.g. counting in general G06M)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Indicating, counting, warning, control or safety devices
CPC: Indicating, counting, warning, control, or safety devices (ink-level control devices B41L27/04; such devices in general, see relevant subclasses, e.g. counting in general G06M)
Full Title
Full titles differ between systems:
Indicating, counting, warning, control or safety devices
Indicating, counting, warning, control, or safety devices (ink-level control devices B41L27/04; such devices in general, see relevant subclasses, e.g. counting in general G06M)
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
Navigate with arrow keys, Enter to open
- B41L 39/16 Programming systems for automatic control of sequence of operations IPC+CPC Available in 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