Fastening prostheses in the mouth (securing tooth crowns in capping teeth A61C5/30)

Introduced: January 1985

Title

Titles differ between systems:

IPC: Fastening prostheses in the mouth

CPC: Fastening prostheses in the mouth (securing tooth crowns in capping teeth A61C5/30)

Full Title

Full titles differ between systems:

IPC:

Dental prostheses; Making same > Fastening prostheses in the mouth

CPC:

Dental prostheses; Making same (tooth crowns for capping teeth A61C5/70; dental implants A61C8/00) > Fastening prostheses in the mouth (securing tooth crowns in capping teeth A61C5/30)

Of 15 combined children, 9 exist in both systems.

2 codes are CPC-only extensions, 4 exist only in IPC.

5 shared codes have differing titles between IPC and CPC.

Child Classifications

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A61C 13/2255 CPC only CPC only
A61C 13/23 using adhesive foils or adhesive compositions since 1985 IPC only IPC only
A61C 13/235 Magnetic fastening (; magnetic implants A61C8/00) since 1985 IPC+CPC Available in IPC and CPC
A61C 13/24 Fastening by suction +1 CPC IPC+CPC Available in IPC and CPC
A61C 13/26 CPC only CPC only
A61C 13/263 Screwing pinning or gluing of prostheses to natural teeth since 1985 IPC only IPC only
A61C 13/265 Sliding or snap attachments since 1985 +2 CPC IPC+CPC Available in IPC and CPC
A61C 13/267 Clasp fastening since 1985 IPC+CPC Available in IPC and CPC
A61C 13/271 resiliently engaging between, or to, natural teeth since 1985 IPC only IPC only
A61C 13/273 removably secured to residual teeth by using bolts since 1985 IPC+CPC Available in IPC and CPC
A61C 13/275 removably secured by using bridging bars or rails between residual teeth since 1985 +1 CPC IPC+CPC Available in IPC and CPC
A61C 13/277 Telescopic anchoring since 1985 IPC+CPC Available in IPC and CPC
A61C 13/28 Fastening by spring action between upper and lower denture IPC+CPC Available in IPC and CPC
A61C 13/30 Fastening of peg-teeth in the mouth IPC+CPC Available in IPC and CPC
A61C 13/32 Stress-breakers since 1985 IPC only IPC only

Top Applicants

Top Applicants (IPC)

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

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

Top Applicants (CPC)

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

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