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DIFF Subgroup
A61C 13/34

Making or working of models, e.g. preliminary castings, trial dentures; Dowel pins [4]

Introduced: January 1985

Title

Titles differ between systems:

IPC: Making or working of models, e.g. preliminary castings, trial dentures; Dowel pins

CPC: Making or working of models, e.g. preliminary castings, trial dentures; Dowel pins [4]

Full Title

Full titles differ between systems:

IPC:

Dental prostheses; Making same > Making or working of models, e.g. preliminary castings, trial dentures; Dowel pins

CPC:

Dental prostheses; Making same (tooth crowns for capping teeth A61C5/70; dental implants A61C8/00) > Making or working of models, e.g. preliminary castings, trial dentures; Dowel pins [4]

Of 1 combined children, 0 exist in both systems.

1 codes exist only in IPC.

IPC defines codes here since 1995.

Child Classifications

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  • A61C 13/36 Orienting or positioning of artificial teeth, e.g. determining precise location or attitude therefor since 1995 IPC only IPC only

Top Applicants

Top Applicants (IPC)

Class A61,2013–2023, worldwide · Source: EPO PATSTAT

  1. PHILIPS ELECTRONICS NL 18,523
  2. NOVARTIS CH 14,253
  3. COVIDIEN US 13,953
  4. ROCHE CH 12,005
  5. CHINESE ACADEMY OF SCIENCES 11,955
  6. UNIVERSITY OF CALIFORNIA US 11,692
  7. HARVARD UNIVERSITY US 11,596
  8. L'OREAL FR 11,593
  9. P&G (PROCTER & GAMBLE COMPANY) US 11,297
  10. OLYMPUS CORPORATION JP 9,594

Top Applicants (CPC)

Class A61,2013–2023, worldwide · Source: EPO PATSTAT

  1. PHILIPS ELECTRONICS NL 20,621
  2. NOVARTIS CH 15,792
  3. ROCHE CH 14,303
  4. COVIDIEN US 13,862
  5. HARVARD UNIVERSITY US 13,454
  6. UNIVERSITY OF CALIFORNIA US 12,798
  7. P&G (PROCTER & GAMBLE COMPANY) US 12,140
  8. L'OREAL FR 11,800
  9. OLYMPUS CORPORATION JP 9,894
  10. BOSTON SCIENTIFIC SCIMED US 9,513