IPC Subgroup
B41L 39/04 Tripping devices or stop-motions
Introduced: September 1968
Last revised: January 2006
Full Title
Indicating, counting, warning, control or safety devices > Tripping devices or stop-motions
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- Subclass:
- APPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING OR PRINTING FOR OFFICE OR OTHER COMMERCIAL PURPOSES; ADDRESSING MACHINES OR LIKE SERIES-PRINTING MACHINES
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 39/1 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 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