DIFF Subgroup
B30B 15/28 Arrangements for preventing distortion of, or damage to, presses or parts thereof
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Details of, or accessories for, presses; Auxiliary measures in connection with pressing > Arrangements for preventing distortion of, or damage to, presses or parts thereof
CPC:
Details of, or accessories for, presses; Auxiliary measures in connection with pressing (safety devices F16P) > Arrangements for preventing distortion of, or damage to, presses or parts thereof
Of 4 combined children, 0 exist in both systems.
4 codes are CPC-only extensions.
Child Classifications
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Top Applicants
Top Applicants (IPC)
Class B30,2013–2023, worldwide · Source: EPO PATSTAT
- HUECK RHEINISCHE DE 145
- WORLD PRECISE MACHINERY CO., LTD. (CHINA) 132
- FETTE COMPACTING DE 131
- AIDA ENGINEERING 119
- KORSCH DE 104
- LG ENERGY SOLUTION KR 103
- SIEMPELKAMP MASCHINEN- UND ANLAGENBAU & COMPANY DE 101
- AIDA ENGINEERING JP 98
- YANGZHOU FORGING MACHINE-TOOL COMPANY 95
- SCHULER PRESSEN & COMPANY DE 93
Top Applicants (CPC)
Class B30,2013–2023, worldwide · Source: EPO PATSTAT
- HUECK RHEINISCHE DE 192
- SIEMPELKAMP MASCHINEN- UND ANLAGENBAU & COMPANY DE 164
- FETTE COMPACTING DE 138
- PULPAC SE 136
- AIDA ENGINEERING JP 136
- DIEFFENBACHERMASCHINEN- UND ANLAGENBAU DE 131
- LG ENERGY SOLUTION KR 129
- AIDA ENGINEERING 105
- KORSCH DE 105
- JOHN DEERE US 105