CPC Main Group
B22D 17/00 Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
9 direct subcodes
Child Classifications
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- B22D 17/02 Hot chamber machines, i.e. with heated press chamber in which metal is melted
- B22D 17/08 Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled
- B22D 17/14 Machines with evacuated die cavity
- B22D 17/16 specially adapted for casting slide fasteners or elements therefor
- B22D 17/18 Machines built up from units providing for different combinations
- B22D 17/20 Accessories: Details
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