Means for feeding of material, e.g. heads

Full Title

Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices > Means for feeding of material, e.g. heads

5 direct subcodes

Child Classifications

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B22F 12/52 Hoppers
B22F 12/53 Nozzles
B22F 12/55 Two or more means for feeding material
B22F 12/57 Metering means
B22F 12/58 for changing the material composition, e.g. by mixing

Top Applicants

Top 10 applicants by patent filingsfor 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