CPC Subgroup Additional Only
A61H 2201/1683 Surface of interface
Full Title
Characteristics of apparatus not provided for in the preceding codes > Physical interface with patient > Surface of interface
3 direct subcodes
Child Classifications
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- A61H 2201/1685 interchangeable
- A61H 2201/1688 disposable
- A61H 2201/169 Physical characteristics of the surface, e.g. material, relief, texture or indicia
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