Inventor
GRUMMERT ULRICH
DE13 patents
⚠️ This page may combine multiple inventors who share the name “GRUMMERT ULRICH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SARTORIUS GMBH
5 patentsUS4430218AFeb 7, 1984
Separating device for fluids, consisting of support plates and cut sections of a semi-permeable diaphragm
SARTORIUS GMBH69 citations93
US6893563B2May 17, 2005
Cross-flow filter with self-regulating transmembrane pressure
SARTORIUS GMBH21 citations91
US6368505B1Apr 9, 2002
Cross-flow filter cartridge
SARTORIUS GMBH53 citations90
US6983504B2Jan 10, 2006
Method for carrying out an integrity test for filter elements
SARTORIUS GMBH29 citations89
US6916420B2Jul 12, 2005
Wide passage cross-flow filter cassettes
SARTORIUS GMBH14 citations79
SARTORIUS STEDIM BIOTECH GMBH
5 patentsUS11612861B2Mar 28, 2023
Crossflow filtration unit for continuous diafiltration
SARTORIUS STEDIM BIOTECH GMBH2 citations72
US7520988B2Apr 21, 2009
Cross-flow filter cassette
SARTORIUS STEDIM BIOTECH GMBH7 citations71
US11931733B2Mar 19, 2024
Device and method for repeatedly modifying the composition of a fluid
SARTORIUS STEDIM BIOTECH GMBH2 citations68
US11219867B2Jan 11, 2022
Single-use filtering module and single-use cleaning module, each insertable in a modular filtering system
SARTORIUS STEDIM BIOTECH GMBH0 citations61
US12252680B2Mar 18, 2025
Bioreactor with filter unit and method for treating a cell broth
SARTORIUS STEDIM BIOTECH GMBH0 citations47