DIFF Subgroup
B22C 11/04 by a horizontal rotary table or carrier
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Moulding machines for making moulds or cores, characterised by the relative arrangement of their parts > Machines in which the moulds are moved during a cycle of successive operations > by a horizontal rotary table or carrier
CPC:
Moulding machines characterised by the relative arrangement of the parts of same > Machines in which the moulds are moved during a cycle of successive operations > by a horizontal rotary table or carrier
No child classifications to compare. This is a leaf node in both IPC and CPC.
Top Applicants
Top Applicants (IPC)
Class B22,2013–2023, worldwide · Source: EPO PATSTAT
- GE (GENERAL ELECTRIC COMPANY) US 1,719
- CHINESE ACADEMY OF SCIENCES 1,489
- POSCO (POHANG IRON AND STEEL COMPANY) KR 1,248
- TOYOTA MOTOR CORPORATION 1,043
- SIEMENS DE 1,028
- CENTRAL SOUTH UNIVERSITY 959
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 891
- UNITED TECHNOLOGIES CORPORATION (UTC) US 786
- UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING 769
- JFE STEEL JP 761
Top Applicants (CPC)
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