CPC Subgroup
B41L 39/04 Tripping devices or stop motions
Full Title
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) > Tripping devices or stop motions
5 direct subcodes
Child Classifications
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- B41L 39/06 for starting or stopping operation of sheet or web feed
- B41L 39/08 for starting or stopping operation of cylinders
- B41L 39/10 for starting or stopping operation of damping or inking units
- B41L 39/12 for starting or stopping the machines as a whole
- B41L 39/14 Automatic control of tripping devices by feelers, photoelectric devices, pneumatic devices, or other detectors
Top Applicants
Top 10 applicants by patent filingsfor 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