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IPC Subgroup
B41K 3/32

with co-operating stamping and counter-stamping members

Introduced: September 1968

Last revised: January 2006

Full Title

Apparatus for stamping articles having integral means for supporting the articles to be stamped > with co-operating stamping and counter-stamping members

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
Subclass:
STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES

Filing statistics

IPC B41K 3/32 belongs to the parent subclass B41K, which recorded 11,667 patent applications worldwide between 2013 and 2023. Annual filings grew from 613 in 2013 to 718 in 2023 (+17%), peaking at 1,449 applications in 2020. The most active applicants in class B41 are SEIKO EPSON CORPORATION (14,672 applications), CANON (14,153 applications) and RICOH COMPANY (8,049 applications).

Source: EPO PATSTAT, worldwide filings

1 direct subcode

Child Classifications

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  • B41K 3/34 in the form of indexable cylinders, e.g. of curved or polygonal cross-section, or of movable chains or bands

Top Applicants

Top 10 applicants by patent filingsfor class B41, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SEIKO EPSON CORPORATION 14,672
  2. CANON 14,153
  3. RICOH COMPANY 8,049
  4. SEIKO EPSON CORPORATION JP 8,044
  5. HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,312
  6. BROTHER INDUSTRIES 6,887
  7. KYOCERA DOCUMENT SOLUTIONS 5,463
  8. CANON JP 5,001
  9. KONICA MINOLTA CORPORATION 4,512
  10. BROTHER INDUSTRIES JP 3,681