Patent assignee · DE · COMPANY

Fresenius Medical Care Deutschland GmbH

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839Patents
742Active
839Granted
62Portfolio score

Filing activity: May 22, 1997 → Oct 24, 2024 · 135 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6743201B1 Cassette for delivering fluids, especially dialysis fluids Human Necessities 351 Expired
US6752172B2 Disposable cassette having a sealing membrane and a valve actuator therefor Emerging Cross-Sectional Technologies 223 Expired
US7648627B2 Device for treating a medical liquid Human Necessities 191 Expired
US6738052B1 Device and method of operating technical medical apparatus Human Necessities 171 Expired
US6042784A Method and apparatus for ultrafiltration in hemodialysis Human Necessities 170 Expired
US6126831A Method and device for determining hemodialysis parameters Emerging Cross-Sectional Technologies 156 Expired
US6077443A Method and device for monitoring a vascular access during a dialysis treatment Human Necessities 123 Expired
US6595944B2 Dialysis machine and method of operating a dialysis machine Performing Operations; Transporting 121 Expired
US7563240B2 Haemodialysis device Human Necessities 116 Expired
US6814726B1 Connector element with a sealing part Emerging Cross-Sectional Technologies 114 Expired
US7077819B1 Method for determining the distribution volume of a blood component during an extracorporeal blood treatment and device for carrying out the method Human Necessities 113 Expired
US6821441B2 Method for the purification of blood by means of hemodialysis and/or hemofiltration and apparatus for performing said method Human Necessities 112 Expired
US6685831B2 Dialysis machine with a device for preparing dialysis solutions Human Necessities 108 Expired
US7044432B2 Fluid channel valve for use with a disposable cartridge in extracorporeal circulations Human Necessities 105 Expired
US6581906B2 Connector having an inner displacement member Emerging Cross-Sectional Technologies 93 Expired
US6484383B1 Method of airtight bonding of two membranes Emerging Cross-Sectional Technologies 91 Expired
US6939471B2 Method for determining a treatment parameter on a haemofiltration device, and haemofiltration device for applying the method Human Necessities 91 Expired
US6860866B1 Method of determining the efficiency of a dialyzer of a dialysis machine and a dialysis machine for carrying out this method Human Necessities 90 Expired
US6645166B2 Blood treatment device and disposable kit for a blood treatment device Human Necessities 90 Expired
US6645191B1 Multi-chamber container with a concentrated glucose compartment and a concentrated hydrochloric acid compartment Human Necessities 89 Expired
US6542761B1 Multifunction sensor Human Necessities 89 Expired
US6221040A Method of monitoring a vascular access and an apparatus for extracorporeal treatment of blood with a device for monitoring the vascular access Human Necessities 88 Expired
US6187199A Process and device for determining hemodialysis parameters Human Necessities 87 Expired
US6468424B1 Connector adapted to connect a storage container for solution ingredients to a medical apparatus Human Necessities 85 Expired
US6653841B1 Device and method for carrying out a contactless measurement of the conductivity of a liquid situated in a flow channel Physics 79 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.