Inventor
WIESEN GERHARD
DE24 patents
⚠️ This page may combine multiple inventors who share the name “WIESEN GERHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
13 patentsUS11559617B2Jan 24, 2023
System and method for opening a concentrate container and connecting the concentrate container to a blood treatment device
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH3 citations70
US12186463B2Jan 7, 2025
System and method for connecting a concentrate container with a blood treatment device without leakages
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH1 citations63
US11571503B2Feb 7, 2023
Method and apparatus for adding an anticoagulant to the blood of a patient
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH0 citations62
US10251992B2Apr 9, 2019
Chamber for a blood treatment system, blood tubing system, and blood treatment system
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH1 citations62
US12553537B2Feb 17, 2026
Control device for filter installations
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH0 citations55
US11007115B2May 18, 2021
Container, use, dialyzer or preparation unit as well as method of manufacturing a concentrate
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH0 citations54
US12390566B2Aug 19, 2025
System and method for connecting a concentrate container with a blood treatment device
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH0 citations51
US11052182B2Jul 6, 2021
Method and apparatus for checking a dialyzer for the presence of a leak
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH0 citations51
US12496382B2Dec 16, 2025
Apparatus for an extracorporeal blood treatment
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH0 citations50
US12377198B2Aug 5, 2025
System and method for connecting a concentrate container with a blood treatment device
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH0 citations49
US12290620B2May 6, 2025
Dialysis machine containing a device for the treatment of liquids, in particular water, and method for monitoring the device for contamination
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH0 citations47
US10661071B2May 26, 2020
Hose clamp for a blood treatment device
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH0 citations41
US10258725B2Apr 16, 2019
Device for carrying out a method for conserving a blood treatment device, and method for conserving a blood treatment device
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH0 citations41
FRESENIUS MEDICAL CARE DE GMBH
7 patentsUS6074559AJun 13, 2000
Filter device having a hollow fiber bundle and associated sealing devices
FRESENIUS MEDICAL CARE DE GMBH52 citations94
US7217364B2May 15, 2007
Filtering device and a filtering device housing
FRESENIUS MEDICAL CARE DE GMBH24 citations92
US6821441B2Nov 23, 2004
Method for the purification of blood by means of hemodialysis and/or hemofiltration and apparatus for performing said method
FRESENIUS MEDICAL CARE DE GMBH129 citations92
US8617393B2Dec 31, 2013
Method and device for supply of a dialysis unit with dialysis fluid
FRESENIUS MEDICAL CARE DE GMBH19 citations89
US6426002B1Jul 30, 2002
Filter device
FRESENIUS MEDICAL CARE DE GMBH10 citations72
US6776909B2Aug 17, 2004
Filter device
FRESENIUS MEDICAL CARE DE GMBH4 citations61
US9320843B2Apr 26, 2016
Device and method for monitoring an extracorporeal blood circuit for the detection of air bubbles
FRESENIUS MEDICAL CARE DE GMBH1 citations51