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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
A61N 1/368

comprising more than one electrode co-operating with different heart regions

Introduced: January 1985

Full Title

Full titles differ between systems:

IPC:

Electrotherapy; Circuits therefor > Applying electric currents by contact electrodes > alternating or intermittent currents > for stimulation, e.g. heart pace-makers > Heart stimulators > controlled by a physiological parameter, e.g. by heart potential > comprising more than one electrode co-operating with different heart regions

CPC:

Electrotherapy; Circuits therefor (A61N2/00 takes precedence; irradiation apparatus A61N5/00) > Applying electric currents by contact electrodes > alternating or intermittent currents > for stimulation > Heart stimulators (heart defibrillators A61N1/39) > controlled by a physiological parameter, e.g. heart potential > comprising more than one electrode co-operating with different heart regions

Of 4 combined children, 0 exist in both systems.

4 codes are CPC-only extensions.

Child Classifications

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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