CPC Subgroup
B22F 10/12 by photopolymerisation, e.g. stereolithography [SLA] or digital light processing [DLP]
Full Title
Additive manufacturing of workpieces or articles from metallic powder (apparatus or devices therefor B22F12/00) > Formation of a green body > by photopolymerisation, e.g. stereolithography [SLA] or digital light processing [DLP]
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