Inventor · Göttingen, DE

Dietmar Nussbaumer

26Patents
12h-index
24Co-inventors
81Inventor score

Filing activity: Mar 18, 1977 → May 17, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US4969997A Fluid-impermeable areas on porous membrane filters and their application Performing Operations; Transporting 65 Expired
US4522713A Apparatus for static membrane filtration Performing Operations; Transporting 62 Expired
US4430218A Separating device for fluids, consisting of support plates and cut sections of a semi-permeable diaphragm Physics 46 Expired
US6294090A Adsorptive substance separation device Physics 45 Expired
US5547575A Method for the surface modification of formed bodies and formed bodies produced thereby Chemistry; Metallurgy 37 Expired
US4490256A Apparatus for static membrane filtration Performing Operations; Transporting 31 Expired
US6911148B1 Adsorptive membrane device for treating particle-laden liquid feeds Performing Operations; Transporting 28 Expired
US5739316A Cross-linked cellulose hydrate membranes Chemistry; Metallurgy 25 Expired
US6001974A Method of separating albumin from serum by ion-exchange chromatography with membrane adsorbers Chemistry; Metallurgy 19 Expired
US4147622A Process for manufacturing membranes for osmotic separation Emerging Cross-Sectional Technologies 16 Expired
US6562583B1 Method for detecting microorganisms in gases Emerging Cross-Sectional Technologies 13 Expired
US5215692A Process for the surface grafting of formed bodies, in particulate also microporous membranes made from nitrogen-containing polymers Emerging Cross-Sectional Technologies 13 Expired
US5618418A Dead-end membrane adsorbers Performing Operations; Transporting 10 Expired
US5556708A Process for grafting of nitrogen containing polymers and polymers obtained thereby Emerging Cross-Sectional Technologies 10 Expired
US4234528A Asymmetrical ultrafiltration membrane based on cellulose hydrate Performing Operations; Transporting 9 Expired
US6235892A Process for the purification of nucleic acids Chemistry; Metallurgy 9 Expired
US6017454A Centrifugal filtration onto membrane adsorbers Performing Operations; Transporting 8 Expired
US7311832B2 Adsorption membranes, method of producing same and equipment, including the adsorption membranes Physics 7 Expired
US4392963A Resorcinol or phloroglucinol condensation product for aqueous mixture purification Chemistry; Metallurgy 6 Expired
US6287461A Tandem system for adsorptive separation Performing Operations; Transporting 3 Expired
US7422686B2 Cellulose hydrate ultrafiltration membranes and method for their production Performing Operations; Transporting 1 Active
US6257416A Fluid treatment device with tangential ducts and method for dimensioning the device Performing Operations; Transporting 1 Expired
US6491869B1 Method for preparing assay supports having an ordered set of reaction zones Physics 0 Expired
US8343351B2 Membrane for removing proteases from liquids Performing Operations; Transporting 0 Active
US8343350B2 Membrane, device and method for removing proteases from liquids Performing Operations; Transporting 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.