Peter J. Degen
71Patents
28h-index
47Co-inventors
88Inventor score
Filing activity: Jul 26, 1974 → Oct 15, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4664683A | Self-supporting structures containing immobilized carbon particles and method for forming same | Performing Operations; Transporting | 131 | Expired |
| US4693985A | Methods of concentrating ligands and active membranes used therefor | Emerging Cross-Sectional Technologies | 121 | Expired |
| US4797259A | Well-type diagnostic plate device | Physics | 114 | Expired |
| US4702840A | Charge modified polyamide membrane | Performing Operations; Transporting | 111 | Expired |
| US4707266A | Polyamide membrane with controlled surface properties | Performing Operations; Transporting | 107 | Expired |
| US4665050A | Self-supporting structures containing immobilized inorganic sorbent particles and method for forming same | Performing Operations; Transporting | 92 | Expired |
| US4828386A | Multiwell plates containing membrane inserts | Emerging Cross-Sectional Technologies | 92 | Expired |
| US4954256A | Hydrophobic membranes | Chemistry; Metallurgy | 82 | Expired |
| US5282971A | Positively charged polyvinylidene fluoride membrane | Performing Operations; Transporting | 75 | Expired |
| US4774132A | Polyvinylidene difluoride structure | Emerging Cross-Sectional Technologies | 75 | Expired |
| US4734208A | Charge-modified microfiber filter sheets | Performing Operations; Transporting | 71 | Expired |
| US4523995A | Charge-modified microfiber filter sheets | Performing Operations; Transporting | 60 | Expired |
| US5039413A | Spiral wrapped fluid treatment element | Chemistry; Metallurgy | 57 | Expired |
| US4702947A | Fibrous structure and method of manufacture | Emerging Cross-Sectional Technologies | 55 | Expired |
| US5500167A | Method of preparing a supported microporous filtration membrane | Performing Operations; Transporting | 54 | Expired |
| US5736051A | Polyvinylidene fluoride membrane and method for removing viruses from solutions | Performing Operations; Transporting | 52 | Expired |
| US5256437A | Product and process of making sterile milk through dynamic microfiltration | Human Necessities | 48 | Expired |
| US5290446A | Helical wrapped filter element | Performing Operations; Transporting | 44 | Expired |
| US4617124A | Polymeric microfibrous filter sheet, preparation and use | Performing Operations; Transporting | 43 | Expired |
| US5151192A | Method for removing heparin from blood or plasma | Emerging Cross-Sectional Technologies | 43 | Expired |
| US4882056A | Fluid filter element with an overlapped wrap | Chemistry; Metallurgy | 40 | Expired |
| US5401523A | Production of sterile milk through dynamic microfiltration | Human Necessities | 37 | Expired |
| US5989432A | Dynamic supported membrane assembly and method of making and using it | Performing Operations; Transporting | 33 | Expired |
| US5435957A | Method of preparing a support material for use with a filtration medium | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5128041A | Microporous membrane, method of manufacture, and method of use | Chemistry; Metallurgy | 28 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.