by using magnetic fields

Introduced: January 2000

Last revised: January 2006

Full Title

Continuous casting of metals, i.e. casting in indefinite lengths > Supplying or treating molten metal > Treating the molten metal > by using agitating or vibrating means > by using magnetic fields

Classification Context

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

Top Applicants

Top 10 applicants by patent filingsfor 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