CPC Subgroup Additional Only
A61M 2202/02 Gases
Full Title
Special media to be introduced, removed or treated > Gases
8 direct subcodes
Child Classifications
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- A61M 2202/0208 Oxygen
- A61M 2202/0216 Ozone
- A61M 2202/0225 Carbon oxides, e.g. Carbon dioxide
- A61M 2202/0241 Anaesthetics; Analgesics
- A61M 2202/025 Helium
- A61M 2202/0258 Krypton (KR)
- A61M 2202/0266 Nitrogen (N)
- A61M 2202/0291 Xenon
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