CPC Subgroup
B28B 7/10 Moulds with means incorporated therein, or carried thereby, for ejecting the moulded article ( devices, not forming part of the mould, for ejecting the moulded article B28B13/06)
Full Title
Moulds; Cores; Mandrels (specially adapted for the production of the tubular articles B28B21/00; ) > Moulds with means incorporated therein, or carried thereby, for ejecting the moulded article ( devices, not forming part of the mould, for ejecting the moulded article B28B13/06)
1 direct subcode
Child Classifications
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- B28B 7/12 by fluid pressure
Top Applicants
Top 10 applicants by patent filingsfor class B28, 2013–2023, worldwide · Source: EPO PATSTAT
- DISCO CORPORATION JP 1,471
- HILTI LI 575
- CORNING US 544
- MITSUBOSHI DIAMOND INDUSTRIAL COMPANY JP 518
- UNITED STATES GYPSUM COMPANY US 485
- DISCO ABRASIVE SYSTEM 459
- GE (GENERAL ELECTRIC COMPANY) US 454
- MITSUBOSHI DIAMOND INDUSTRIAL COMPANY 439
- DISCO CORPORATION 403
- NGK INSULATORS JP 308