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CPC Subgroup
A61N 1/10

Applying static electricity (applying ionised gases or vapours A61N1/44)

Full Title

Electrotherapy; Circuits therefor (A61N2/00 takes precedence; irradiation apparatus A61N5/00) > Applying static electricity (applying ionised gases or vapours A61N1/44)

Filing statistics

CPC A61N 1/10 belongs to the parent subclass A61N, which recorded 161,168 patent applications worldwide between 2013 and 2023. Annual filings grew from 11,029 in 2013 to 13,204 in 2023 (+20%), peaking at 17,408 applications in 2020. The most active applicants in class A61 are PHILIPS ELECTRONICS (20,621 applications), NOVARTIS (15,792 applications) and ROCHE (14,303 applications).

Source: EPO PATSTAT, worldwide filings

Top Applicants

Top 10 applicants by patent filingsfor 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