Curved moulds (B22D11/049 - B22D11/059 take precedence)

Introduced: January 2000

Title

Titles differ between systems:

IPC: Curved moulds

CPC: Curved moulds (B22D11/049 - B22D11/059 take precedence)

Full Title

Full titles differ between systems:

IPC:

Continuous casting of metals, i.e. casting in indefinite lengths > into open-ended moulds > Curved moulds

CPC:

Continuous casting of metals, i.e. casting in indefinite lengths (metal drawing, metal extruding B21C) > into open-ended moulds (B22D11/06, B22D11/07 take precedence; plants for continuous casting, e.g. for upwardly drawing the strand B22D11/14) > Curved moulds (B22D11/049 - B22D11/059 take precedence)

No child classifications to compare. This is a leaf node in both 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