Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Main Group
B22D 11/00

Continuous casting of metals, i.e. casting in indefinite lengths

Introduced: September 1968

Last revised: January 2006

Classification Context

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

Related Keywords

EXTRUDING of metal for continuous casting

9 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • B22D 11/01 without moulds, e.g. on molten surfaces
  • B22D 11/06 into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
  • B22D 11/07 Lubricating the moulds
  • B22D 11/08 Accessories for starting the casting procedure
  • B22D 11/14 Plants for continuous casting, e.g. for upwardly drawing the strand

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