IPC Main Group
B41J 7/00 Type-selecting or type-actuating mechanisms
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- Subclass:
- TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
10 direct subcodes
Child Classifications
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- B41J 7/02 Type-lever actuating mechanisms
- B41J 7/32 Type-face selected by operation of sliding members
- B41J 7/34 Type-face selected by operation of rotary members
- B41J 7/36 Selecting arrangements applied to type-carriers rotating during impression
- B41J 7/48 Type-carrier arrested in selected position by electromagnetic means
- B41J 7/5 Type-face selected by combinations of two movements of type-carrier
- B41J 7/54 Selecting arrangements including combination, permutation, summation, or aggregation means
- B41J 7/9 Syllable, line, or like type selection
- B41J 7/92 Impact adjustment; Means to give uniformity of impression
- B41J 7/96 Means for checking correctness of setting
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