CPC Subgroup
B22D 11/12 Accessories for subsequent treating or working cast stock in situ (rolling immediately subsequent to continuous casting B21B1/46, B21B13/22)
Full Title
Continuous casting of metals, i.e. casting in indefinite lengths (metal drawing, metal extruding B21C) > Accessories for subsequent treating or working cast stock in situ (rolling immediately subsequent to continuous casting B21B1/46, B21B13/22)
8 direct subcodes
Child Classifications
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- B22D 11/124 for cooling
- B22D 11/126 for cutting
- B22D 11/128 for removing
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