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IPC Subclass
B41K

STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES

Introduced: September 1968

Classification Context

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

Description

B41K covers hand-operated and mechanized devices for applying impressions, marks, or numbering sequences onto surfaces through stamping, embossing, or impact-based techniques. This includes rubber stamps, numbering machines, date stamps, marking dies, and related apparatus designed for manual or semi-automatic operation. The classification encompasses both the stamping devices themselves and the machinery that applies them, excluding printing presses and typewriter mechanisms covered by adjacent classes. Typical applications include document numbering, postal marking, industrial batch coding, and general-purpose impression marking on paper, cardboard, or other substrates.

Related Keywords

hand stamps for FRANKINGstencilling apparatus

4 direct subcodes

Child Classifications

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  • B41K 99/00 Subject matter not provided for in other groups of this subclass

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