B41G APPARATUS FOR BRONZE PRINTING, LINE PRINTING, OR FOR BORDERING OR EDGING SHEETS OR LIKE ARTICLES; AUXILIARY FOR PERFORATING IN CONJUNCTION WITH PRINTING (perforating in general B26D; production of decorations B44C; perforating in conjunction with sheet or web delivery B65H35/00; folding or unfolding thin material, e.g. sheets, webs, B65H45/00, B65H47/00)
Introduced: September 1968
Description
B41G covers specialized printing apparatus designed for applying metallic finishes, linear decorative elements, and edge treatments to paper and similar substrates. The subclass encompasses bronze printing machines (which deposit metallic powders or foils onto printed surfaces), line printing equipment for creating decorative borders and rules, and apparatus for edging or finishing sheet edges. It also includes auxiliary perforating devices integrated with printing systems to simultaneously punch holes or cut decorative patterns while printing. These technologies were historically significant in commercial printing, bookbinding, and decorative finishing operations.
Title
Titles differ between systems:
IPC: APPARATUS FOR BRONZE PRINTING, LINE PRINTING, OR FOR BORDERING OR EDGING SHEETS OR LIKE ARTICLES; AUXILIARY APPARATUS FOR PERFORATING IN CONJUNCTION WITH PRINTING
CPC: APPARATUS FOR BRONZE PRINTING, LINE PRINTING, OR FOR BORDERING OR EDGING SHEETS OR LIKE ARTICLES; AUXILIARY FOR PERFORATING IN CONJUNCTION WITH PRINTING (perforating in general B26D; production of decorations B44C; perforating in conjunction with sheet or web delivery B65H35/00; folding or unfolding thin material, e.g. sheets, webs, B65H45/00, B65H47/00)
Full Title
Full titles differ between systems:
APPARATUS FOR BRONZE PRINTING, LINE PRINTING, OR FOR BORDERING OR EDGING SHEETS OR LIKE ARTICLES; AUXILIARY APPARATUS FOR PERFORATING IN CONJUNCTION WITH PRINTING
APPARATUS FOR BRONZE PRINTING, LINE PRINTING, OR FOR BORDERING OR EDGING SHEETS OR LIKE ARTICLES; AUXILIARY FOR PERFORATING IN CONJUNCTION WITH PRINTING (perforating in general B26D; production of decorations B44C; perforating in conjunction with sheet or web delivery B65H35/00; folding or unfolding thin material, e.g. sheets, webs, B65H45/00, B65H47/00)
IPC and CPC are identically structured here. All 4 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- B41G 1/00 Apparatus for bronze printing or for like operations (applying granular materials or metallic foils for decorative purposes B44C1/00) IPC+CPC Available in IPC and CPC
- B41G 5/00 Apparatus for bordering or edging sheets or like articles, e.g. for producing black rims on mourning cards IPC+CPC Available in IPC and CPC
- B41G 7/00 Auxiliary perforating apparatus associated with printing devices (apparatus or machines for carrying-out printing operations combined with operations other than perforating B41F19/00) +2 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
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