CPC Main Group
A61M 39/00 Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use (for respiratory devices, e.g. tracheal tubes A61M16/00; artificial heart valves A61F2/24)
7 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- A61M 39/02 Access sites
- A61M 39/08 Tubes; Storage means specially adapted therefor
- A61M 39/10 Tube connectors; Tube couplings
- A61M 39/20 Closure caps or plugs for connectors or open ends of tubes
- A61M 39/22 Valves or arrangement of valves
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