IPC Subgroup
A61C 17/24 rotating continuously
Introduced: January 1990
Last revised: January 2006
Full Title
Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle > Power-driven cleaning or polishing devices > with brushes, cushions, cups or the like > rotating continuously
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- MEDICAL OR VETERINARY SCIENCE; HYGIENE
- Subclass:
- DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
2 direct subcodes
Child Classifications
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- A61C 17/26 driven by electric motor
- A61C 17/3 driven by hydraulic motor, e.g. water motor
Top Applicants
Top 10 applicants by patent filingsfor 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