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IPC Subgroup
A61C 3/025

Instruments acting like a sandblast machine, e.g. for cleaning, polishing or cutting teeth

Introduced: January 1990

Last revised: January 2006

Full Title

Dental tools or instruments > Tooth drilling or cutting instruments; Instruments acting like a sandblast machine > Instruments acting like a sandblast machine, e.g. for cleaning, polishing or cutting teeth

Classification Context

Section:
HUMAN NECESSITIES
Class:
MEDICAL OR VETERINARY SCIENCE; HYGIENE
Subclass:
DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE

Top Applicants

Top 10 applicants by patent filingsfor 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