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DIFF Subgroup
A61H 33/06

Artificial hot-air or cold-air baths; Steam or gas baths or douches, e.g. sauna or Finnish baths

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Bathing devices for special therapeutic or hygienic purposes > Artificial hot-air or cold-air baths; Steam or gas baths or douches, e.g. sauna or Finnish baths

CPC:

Bathing devices for special therapeutic or hygienic purposes (A61H35/00 takes precedence; for sub aquatic intestinal cleaning A61M9/00; electric or magnetic baths, applying ionised fluids A61N1/44 ) > Artificial hot-air or cold-air baths; Steam or gas baths or douches, e.g. sauna or Finnish baths

CPC subdivides this area 3x more granularly than IPC with 5 additional codes.

5 codes are CPC-only extensions.

Note: 3 CPC extensions are marked as secondary classification only.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • A61H 2033/061 2nd only CPC only CPC only
  • A61H 2033/062 2nd only CPC only CPC only
  • A61H 2033/068 2nd only CPC only CPC only
  • A61H 33/08 Air douches for hygienic purposes (hair-driers A45D20/00; body-drying devices A47K10/48; electric heating elements H05B) IPC+CPC Available in IPC and CPC
  • A61H 33/10 Devices on tubs for steam baths IPC+CPC Available in IPC and CPC
  • A61H 33/12 Steam baths for the face IPC+CPC Available in IPC and CPC

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