Dietmar Nussbaumer
26Patents
12h-index
24Co-inventors
81Inventor score
Filing activity: Mar 18, 1977 → May 17, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| 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.