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PCE
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CPC Subgroup
B29D 19/04

by cutting, milling, turning, stamping, or perforating moulded parts; Surface treatment of buttons

Full Title

Producing buttons or semi-finished parts of buttons > by cutting, milling, turning, stamping, or perforating moulded parts; Surface treatment of buttons

2 direct subcodes

Child Classifications

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  • B29D 19/06 Devices for feeding semi-finished parts to the processing machines
  • B29D 19/08 Making holes in buttons or in semi-finished parts thereof

Top Applicants

Top 10 applicants by patent filingsfor class B29, 2013–2023, worldwide · Source: EPO PATSTAT

  1. HEWLETT-PACKARD DEVELOPMENT COMPANY US 4,167
  2. BOEING COMPANY US 3,701
  3. COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 2,554
  4. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 2,240
  5. TORAY INDUSTRIES JP 2,133
  6. GE (GENERAL ELECTRIC COMPANY) US 2,069
  7. BASF (BADISCHE ANILIN & SODA FABRIK) DE 2,028
  8. LG CHEM KR 1,962
  9. DOW GLOBAL TECHNOLOGIES US 1,896
  10. CONTINENTAL REIFEN DE 1,725