CPC Subgroup
A61H 33/14 Devices for gas baths with ozone, hydrogen, or the like (production of ozone or hydrogen C01B, C25B1/02)
Full Title
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 ) > Devices for gas baths with ozone, hydrogen, or the like (production of ozone or hydrogen C01B, C25B1/02)
5 direct subcodes
Child Classifications
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Top Applicants
Top 10 applicants by patent filingsfor class A61, 2013–2023, worldwide · Source: EPO PATSTAT
- PHILIPS ELECTRONICS NL 20,621
- NOVARTIS CH 15,792
- ROCHE CH 14,303
- COVIDIEN US 13,862
- HARVARD UNIVERSITY US 13,454
- UNIVERSITY OF CALIFORNIA US 12,798
- P&G (PROCTER & GAMBLE COMPANY) US 12,140
- L'OREAL FR 11,800
- OLYMPUS CORPORATION JP 9,894
- BOSTON SCIENTIFIC SCIMED US 9,513