B28B 1/30 by applying the material on to a core or other moulding surface to form a layer thereon (to form a permanent layer B28B19/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: by applying the material on to a core, or other moulding surface to form a layer thereon
CPC: by applying the material on to a core or other moulding surface to form a layer thereon (to form a permanent layer B28B19/00)
Full Title
Full titles differ between systems:
Producing shaped articles from the material > by applying the material on to a core, or other moulding surface to form a layer thereon
Producing shaped articles from the material (using presses B28B3/00; shaping on moving conveyors B28B5/00; producing tubular articles B28B21/00 ) > by applying the material on to a core or other moulding surface to form a layer thereon (to form a permanent layer B28B19/00)
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- B28B 1/32 by projecting, e.g. spraying (spraying in general B05B, B05D) IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class B28,2013–2023, worldwide · Source: EPO PATSTAT
- MITSUBOSHI DIAMOND INDUSTRIAL COMPANY 868
- QINGDAO GAOCE TECHNOLOGY COMPANY 678
- DISCO CORPORATION JP 500
- ZHOU ZHAODI 500
- MITSUBOSHI DIAMOND INDUSTRIAL COMPANY JP 456
- HILTI LI 455
- CORNING US 407
- UNITED STATES GYPSUM COMPANY US 375
- ZHENGZHOU YUAN DONG REFRACTORIES COMPANY 370
- HUNAN SANY KUAIERJU RESIDENTIAL INDUSTRY COMPANY 351
Top Applicants (CPC)
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