CPC Main Group Additional Only
A61M 2202/00 Special media to be introduced, removed or treated
23 direct subcodes
Child Classifications
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- A61M 2202/0007 introduced into the body
- A61M 2202/0014 removed from the body
- A61M 2202/0021 removed from and reintroduced into the body, e.g. after treatment
- A61M 2202/0028 fluid entering a filter
- A61M 2202/0035 fluid leaving the cross-flow filter without having passed through the filtering element
- A61M 2202/0042 filtrate, i.e. the fluid passing through the filter
- A61M 2202/005 residue retained by the filter due to size
- A61M 2202/0057 retained by adsorption
- A61M 2202/0064 changed by biological action
- A61M 2202/0071 product to be retained or harvested, e.g. by pheresis
- A61M 2202/0078 changed by chemical action
- A61M 2202/0085 product washed out
- A61M 2202/0092 starting product created by centrifuging
- A61M 2202/02 Gases
- A61M 2202/03 Gases in liquid phase, e.g. cryogenic liquids
- A61M 2202/04 Liquids
- A61M 2202/06 Solids
- A61M 2202/07 Proteins
- A61M 2202/08 Lipoids
- A61M 2202/09 Body tissue
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