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DIFF Subgroup
B28B 1/32

by projecting, e.g. spraying (spraying in general B05B, B05D)

Introduced: September 1968

Title

Titles differ between systems:

IPC: by projecting, e.g. spraying

CPC: by projecting, e.g. spraying (spraying in general B05B, B05D)

Full Title

Full titles differ between systems:

IPC:

Producing shaped articles from the material > by applying the material on to a core, or other moulding surface to form a layer thereon > by projecting, e.g. spraying

CPC:

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) > by projecting, e.g. spraying (spraying in general B05B, B05D)

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

Child Classifications

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  • B28B 1/34 by centrifugal force IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class B28,2013–2023, worldwide · Source: EPO PATSTAT

  1. MITSUBOSHI DIAMOND INDUSTRIAL COMPANY 868
  2. QINGDAO GAOCE TECHNOLOGY COMPANY 678
  3. DISCO CORPORATION JP 500
  4. ZHOU ZHAODI 500
  5. MITSUBOSHI DIAMOND INDUSTRIAL COMPANY JP 456
  6. HILTI LI 455
  7. CORNING US 407
  8. UNITED STATES GYPSUM COMPANY US 375
  9. ZHENGZHOU YUAN DONG REFRACTORIES COMPANY 370
  10. HUNAN SANY KUAIERJU RESIDENTIAL INDUSTRY COMPANY 351

Top Applicants (CPC)

Class B28,2013–2023, worldwide · Source: EPO PATSTAT

  1. DISCO CORPORATION JP 1,471
  2. HILTI LI 575
  3. CORNING US 544
  4. MITSUBOSHI DIAMOND INDUSTRIAL COMPANY JP 518
  5. UNITED STATES GYPSUM COMPANY US 485
  6. DISCO ABRASIVE SYSTEM 459
  7. GE (GENERAL ELECTRIC COMPANY) US 454
  8. MITSUBOSHI DIAMOND INDUSTRIAL COMPANY 439
  9. DISCO CORPORATION 403
  10. NGK INSULATORS JP 308