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IPC Subgroup
B22D 17/2

Accessories; Details

Introduced: September 1968

Last revised: January 2006

Full Title

Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure > Accessories; Details

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
CASTING; POWDER METALLURGY
Subclass:
CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES

5 direct subcodes

Child Classifications

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  • B22D 17/26 Mechanisms or devices for locking or opening dies
  • B22D 17/28 Melting pots
  • B22D 17/3 Accessories for supplying molten metal, e.g. in rations
  • B22D 17/32 Controlling equipment

Top Applicants

Top 10 applicants by patent filingsfor class B22, 2013–2023, worldwide · Source: EPO PATSTAT

  1. GE (GENERAL ELECTRIC COMPANY) US 1,719
  2. CHINESE ACADEMY OF SCIENCES 1,489
  3. POSCO (POHANG IRON AND STEEL COMPANY) KR 1,248
  4. TOYOTA MOTOR CORPORATION 1,043
  5. SIEMENS DE 1,028
  6. CENTRAL SOUTH UNIVERSITY 959
  7. HEWLETT-PACKARD DEVELOPMENT COMPANY US 891
  8. UNITED TECHNOLOGIES CORPORATION (UTC) US 786
  9. UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING 769
  10. JFE STEEL JP 761