B42F SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
Introduced: September 1968
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- Subclass:
- SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
Description
B42F covers devices and methods for temporarily securing sheets of paper or similar materials together, along with associated filing and indexing systems. This includes mechanical fastening appliances such as clips, clamps, and temporary binding mechanisms that allow sheets to be assembled and disassembled without permanent alteration. The classification also encompasses file cards, card indexing systems, and organizational devices designed for information retrieval and document management, excluding permanent bookbinding methods covered under B42D.
Filing statistics
IPC subclass B42F recorded 17,849 patent applications worldwide between 2013 and 2023. Annual filings grew from 1,177 in 2013 to 1,295 in 2023 (+10%), peaking at 2,605 applications in 2020. The most active applicants in class B42 are GIESECKE+DEVRIENT CURRENCY TECHNOLOGY (898 applications), BUNDESDRUCKEREI (865 applications) and DE LA RUE INTERNATIONAL (810 applications).
Source: EPO PATSTAT, worldwide filings
Related Keywords
12 direct subcodes
Child Classifications
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- B42F 1/00 Sheets temporarily attached together without perforating; Means therefor
- B42F 11/00 Filing appliances with separate intermediate holding means
- B42F 13/00 Filing appliances with means for engaging perforations or slots
- B42F 15/00 Suspended filing appliances
- B42F 17/00 Card-filing arrangements, e.g. card indexes or catalogues or filing cabinets
- B42F 19/00 File cards
- B42F 21/00 Indexing means; Indexing tabs or protectors therefor
- B42F 23/00 Filing appliances not provided for in other groups of this subclass
- B42F 3/00 Sheets temporarily attached together involving perforations; Means therefor; Sheet details therefor
- B42F 5/00 Sheets and objects temporarily attached together; Means therefor; Albums
- B42F 7/00 Filing appliances without fastening means
- B42F 9/00 Filing appliances with devices clamping file edges; Covers with clamping backs
Top Applicants
Top 10 applicants by patent filingsfor class B42, 2013–2023, worldwide · Source: EPO PATSTAT
- GIESECKE+DEVRIENT CURRENCY TECHNOLOGY DE 898
- BUNDESDRUCKEREI DE 865
- DE LA RUE INTERNATIONAL GB 810
- SICPA HOLDING CH 784
- DNP (DAINIPPON PRINTING COMPANY) 634
- TOPPAN PRINTING COMPANY 486
- TOPPAN PRINTING COMPANY JP 411
- G&D (GIESECKE & DEVRIENT) DE 398
- CCL SECURE AU 334
- NATIONAL PRINTING BUREAU 313