Exhausting or laying dust

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping > Exhausting or laying dust

CPC:

Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping (moulds B28B7/00; after-treatment B28B11/00; feeding or discharging B28B13/00; arrangements for embedding elements in the material B28B23/00) > Exhausting or laying dust

No child classifications to compare. This is a leaf node in both 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