DIFF Subgroup
B22D 11/10 Supplying or treating molten metal (B22D41/00 takes precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Supplying or treating molten metal
CPC: Supplying or treating molten metal (B22D41/00 takes precedence)
Full Title
Full titles differ between systems:
IPC:
Continuous casting of metals, i.e. casting in indefinite lengths > Supplying or treating molten metal
CPC:
Continuous casting of metals, i.e. casting in indefinite lengths (metal drawing, metal extruding B21C) > Supplying or treating molten metal (B22D41/00 takes precedence)
IPC and CPC are identically structured here. All 4 subcodes exist in both systems.
IPC defines codes here since 2000.
Child Classifications
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- B22D 11/103 Distributing the molten metal, e.g. using runners, floats, distributors since 2000 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class B22,2013–2023, worldwide · Source: EPO PATSTAT
- GE (GENERAL ELECTRIC COMPANY) US 1,719
- CHINESE ACADEMY OF SCIENCES 1,489
- POSCO (POHANG IRON AND STEEL COMPANY) KR 1,248
- TOYOTA MOTOR CORPORATION 1,043
- SIEMENS DE 1,028
- CENTRAL SOUTH UNIVERSITY 959
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 891
- UNITED TECHNOLOGIES CORPORATION (UTC) US 786
- UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING 769
- JFE STEEL JP 761
Top Applicants (CPC)
Class B22,2013–2023, worldwide · Source: EPO PATSTAT
- GE (GENERAL ELECTRIC COMPANY) US 2,157
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 1,633
- SIEMENS DE 1,267
- POSCO (POHANG IRON AND STEEL COMPANY) KR 1,124
- CHINESE ACADEMY OF SCIENCES 1,040
- UNITED TECHNOLOGIES CORPORATION (UTC) US 1,015
- JFE STEEL JP 884
- CENTRAL SOUTH UNIVERSITY 810
- HITACHI METALS JP 641
- SINTOKOGIO JP 624