IPC Main Group
B33Y 40/00 Auxiliary operations or equipment, e.g. for material handling
Introduced: January 2015
Last revised: January 2020
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- ADDITIVE MANUFACTURING TECHNOLOGY
- Subclass:
- ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
2 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
Top Applicants
Top 10 applicants by patent filingsfor class B33, 2013–2023, worldwide · Source: EPO PATSTAT
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 3,558
- GE (GENERAL ELECTRIC COMPANY) US 1,721
- SEIKO EPSON CORPORATION 810
- XEROX CORPORATION US 787
- CHINESE ACADEMY OF SCIENCES 746
- SIEMENS DE 679
- RICOH COMPANY 624
- XIAN JIAOTONG UNIVERSITY 563
- HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY 550
- SOUTH CHINA UNIVERSITY OF TECHNOLOGY 522