Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
B28B 23/06

for the production of elongated articles

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material > wherein the elements are reinforcing members > the elements being stressed > for the production of elongated articles

CPC:

Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; (B28B21/00 takes precedence; in units for prefabricated buildings B28B7/22) > wherein the elements are reinforcing members > the elements being stressed > for the production of elongated articles

Of 1 combined children, 0 exist in both systems.

1 codes exist only in IPC.

Child Classifications

Navigate with arrow keys, Enter to open

  • B28B 23/08 the articles being of tubular form IPC only IPC only

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