CPC Main Group
B41L 3/00 Platens or like sheet supports for manifolding using pressure-sensitive layers or intermediaries, e.g. for book-keeping purposes
5 direct subcodes
Child Classifications
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- B41L 3/02 with stationary clamping means for holding the manifolding assembly in registered position, e.g. resilient clamps for holding non-perforated sheets
- B41L 3/06 with movable clamping or guiding means for the elements of the manifolding assembly
- B41L 3/08 with non-mechanical means for holding the elements in registered position, e.g. magnetic means
- B41L 3/10 with means for moving assembled elements step by step relative to platen or support, e.g. for column or line selection; Means for locating assembled elements when stationary
- B41L 3/12 Auxiliary devices
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